® Academy of Management Review 2003, Vol. 28, No. 4, 587-605. ACHIEVING COOPERATION IN MULTIPARTY ALLIANCES: A SOCIAL DILEMMA APPROACH TO PARTNERSHIP MANAGEMENT MING ZENG INSEAD and Cheung Kong Graduate School of Business XIAO-PING CHEN University of Washington We propose a social dilemma approach to cooperation induction in multiparty alliances. We first establish that managing the inherent tension between cooperation and competition in alliances is essentially a social dilemma, where an individually rational but socially defecting choice may lead to a higher payoff for an individual partner but where, once all partners adopt such a strategy, the alliance will fail. We then develop propositions on how partners can improve their chances for cooperation, and we discuss the limitations of the social dilemma approach and its implications for future research. Alliance is a broad term that captures many forms of interorganizational cooperative arrangements, including equity joint ventures, strategic supplier arrangements, research and development partnerships, and so forth (Doz & Hamel, 1998; Koza & Lewin, 1998; Parkhe, 1993). One of the fundamental problems alliances face, especially those alliances involving multiple partners, is the inherent tension between cooperation and competition among partners (Hamel, 1991; Larsson, Bengtsson, Henriksson, & Sparks, 1998; Roehl & Truitt, 1987; Yoshino & Rangan, 1995). On the one hand, an alliance is formed to achieve certain objectives, when doing so is more effective than if any one partner operated independently or through acquisitions. Therefore, without cooperation, partners are unlikely to realize the potential of an alliance. On the other hand, the benefits of alliances are shared among partners, and each partner has a strong incentive to compete for a larger portion of the benefits (Buckley & Casson, 1988; Hamel, 1991; Yoshino & Rangan, 1995). As a result, alli- ance partners face a constant tension between cooperation and competition. Recognizing such inherent tension, alliance researchers have debated a great deal about whether partners should pursue “stormy open marriages” (Roehl & Truitt, 1987), learning races (Hamel, 1991), or “cooperative specialization” (Zeng & Hennart, 2002). In the majority of the alliance research, scholars have nevertheless tended to emphasize either the cooperative or the competitive side, failing to pay sufficient attention to the complex interactions between cooperation and competition within alliances (e.g., Das & Teng, 2000; Larsson et al., 1998). For example, some authors argue that the essence of alliance management is to work toward harmonious relationships by various means— sharing power, enhancing communication, building trust, and so forth (Harrigan, 1985; Kanter, 1994; Killing, 1983; Lei & Slocum, 1992; Perlmutter & Heenan, 1986)—whereas other authors (Hamel, 1991; Pucik, 1988; Reich & Mankin, 1986) emphasize the learning race view, postulating that alliances are, by nature, competitive collaborations and that partners are involved in a learning race attempting to absorb the capabilities of their alliance partners as fast as possible. Although these different perspectives have significantly advanced our understanding of the various aspects of partner interactions in alliances, an overarching theoretical framework is needed to guide researchers in studying the We thank Warren Boecker, Jason Harris-Boundy, JeanFrancois Hennart, Tom Jones, Tom Lee, Terry Mitchell, Michael Peng, Richard Peterson, Andy Wicks, Aimin Yan, the three anonymous reviewers, and former associate editor Albert A. Cannella, Jr., for their thoughtful and constructive comments and suggestions on earlier versions of this paper. Part of the paper was presented at the annual meeting of the Academy of Management, in Toronto, Canada. 587 588 October Academy of Management Review complex interdependence between cooperation and competition embedded in multiparty alliances. For example, while trust is essential in promoting cooperation in alliances, an over-trusting partner can become an easy target for exploitation by its greedy partners. Conversely, while a partner might adopt a competitive strategy and get more out of a particular alliance, this could lead to potentially detrimental outcomes for the alliance in the long term should all partners adopt similar strategies. How should alliance partners choose between cooperation and competition? In this article we propose a social dilemma approach to partnership management in alliances. As illustrated later, we apply the social dilemma theory to study the tension between cooperation and competition among interdependent parties. With this theory we examine the benefits and costs associated with both cooperation and competition, simultaneously, explain the rationales behind both types of behaviors, and investigate the mechanisms that could promote cooperation among the social actors pursuing self-interest. Therefore, the theory provides a comprehensive perspective and better understanding of the challenges alliance partners face in managing the balance between cooperation and competition. The focus of this paper is cooperation1 induction among multiparty alliance partners. We focus on partner cooperation, because it has been identified as a necessary condition for alliance success (e.g., Kanter, 1994). Many scholars cite the lack of cooperation as an important cause of the relatively high failure rate of alliances (Park & Russo, 1996; Teece, 1992; Yan & Zeng, 1999), yet there is little systematic investigation of how cooperation can be achieved and sustained in alliances (Arino & de la Torre, 1998; Doz, 1996). We focus explicitly on multiparty alliances because of their increasing popularity and importance over the last decade (Doz & Hamel, 1998; Makino & Beamish, 1999). For example, Makino 1 Although cooperation can be defined in many different ways (for a review, see Smith, Carroll, & Ashford, 1995), we define it here as the willingness of a partner firm to maximize the joint interests of the alliance. Cooperation includes performing the described responsibilities on written contract, as well as making intangible contributions beyond the contract that help the alliance operate more smoothly and effectively. and Beamish (1999) found that, of their sample of 737 joint ventures, 55 percent had more than two partners. However, theoretical or empirical research on these alliances remains rather limited (for an exception, see Gomes-Casseres, 1996). By providing the social dilemma conceptual framework to study the cooperation dilemma partners face in multiparty alliances, we advance our understanding of these important yet underex-plored topics. In the following sections we first analyze the mixed motives of competition and cooperation inherent in alliances, and we explain why the social dilemma approach provides an appropriate framework for understanding partner dynamics. Drawing from the social dilemma literature, we then propose various structural and motivational mechanisms that are effective in inducing cooperation among alliance partners. Finally, we discuss the limitations of this approach and its implications for alliance management and research. COOPERATION DILEMMA IN MULTIPARTNER ALLIANCES Alliances are formed when there is the potential for joint value creation in combining resources or capabilities from different partners and when it is difficult to exchange these resources or capabilities in the open market (Hen-nart, 1988; Kogut, 1988). To realize the potential for joint value creation, partners must exchange information, share knowledge, and make investments that are specific to the relationship. Nevertheless, fulfilling these basic requirements of alliances also exposes the valuable investments and proprietary knowledge of partners to opportunistic hazards because of the temptation of each partner to pursue self-interests. (Shuen, 1994). The pursuit of self-interest undermines the value creation process in alliances in two important ways. First, partners bargain over the stream of economic benefits that comes directly from successful value creation in alliances (the “hold-up problem”). To avoid being held up by their counterparts, partners often underinvest in alliance-specific assets/skills—a major reason for alliance failures (Doz & Hamel, 1998; Shuen, 1994). Such a risk has been well documented in the literature, where researchers have built mostly on transaction cost economics (Hennart, 1988; Williamson, 1985). Second, partners may 2003 Zeng and Chen internalize each other’s skills and apply them to areas outside the alliance (the “leakage problem”; Hamel, 1991; Khanna, Gulati, & Nohria, 1998). Such leakage can have dire consequences if partners are current or potential competitors. For fear of such risks, partners may overprotect their contributions to the alliance and block the information and knowledge exchange necessary for collective gains by members of the alliance. Therefore, while it is individually rational for each partner to invest less in and gain more from the alliance, such efforts often undermine the foundation of partner cooperation and destroy value creation. The conflict between individual rationality and collective rationality described above is, in fact, the key characteristic of a social dilemma. In theory, a social dilemma is defined by two simple properties: (1) each individual receives a higher payoff for a socially defecting choice than for a socially cooperative choice, no matter what the others do, but (2) all individuals are better off if all cooperate than if all defect (Dawes, 1980). In the alliance context, the dilemma manifests itself in the sense that partners of an alliance face a conflict between maximizing their own self-interest (defection; e.g., bargain for a larger share of the pie, withhold key information and knowledge or send second-tier employees) and maximizing the interests of the alliance as a whole (cooperation). It is generally more profitable for a partner to defect, but if all do so, all are worse off than if all choose to cooperate. It is clear that, in this case, a short-term individual partner’s self-interested choice, albeit rational, will lead to a long-term alliance failure, which therefore poses a social dilemma (Dawes, 1980; Messick & Brewer, 1983; Yama-gishi, 1986a) for each of the partners. In sum, alliance partners face a social dilemma in managing the inherent tension between cooperation and competition among themselves. How can partners manage such a dilemma and achieve sustainable cooperation in alliances? In the following sections we first model the cooperation dilemma using the public goods paradigm2 and then apply the insights 2 A brief review of the social dilemma literature reveals that there are two types of social dilemmas of interest in general: a public goods dilemma (Olson, 1965) and a resource (or commons) dilemma (Hardin, 1968). A public goods dilemma is a situation in which voluntary contributions are needed to establish or maintain a public good, which, once 589 from the social dilemma literature to develop our propositions accordingly. MODELING THE COOPERATION DILEMMA WITH THE PUBLIC GOODS PARADIGM The dilemma nature of cooperation development in alliances can be illustrated further through the following hypothetical example. Consider an alliance consisting of six partners, A, B, C, D, E, and F. The partners estimate that, by combining all their resources, the alliance (public good) will be able to achieve at least twice the total profit volume (benefits associated with the public good) than if each were to work alone. Within the alliance, each partner is motivated to contribute, because the profit will be doubled if all do so. At the same time, however, each partner has an incentive to contribute as little as necessary, because it is possible either that contributions from other partners will be sufficient to double the profits or that, if other partners do not contribute much, goals will not be achieved and the partner’s own contribution will be wasted. To simplify the problem, assume that each partner has an equal amount of resource S that will result in an equal amount of profit P, if each were to operate independently. Assume also that, if all parties contribute all of their resources, the alliance will make a profit whereby each party will receive 2P. In the typical continuous public goods dilemma,3 each partner is free to choose to contribute any amount of its resources (from 0 to S) to the public good. All contributions made to the public good will increase their value (due to synergy), but the total established, can exclude no one from sharing its benefits, regardless of one’s contribution. A resource dilemma is a situation in which one needs to decide how much to take or consume from a common resource. Once the resource has been overconsumed, it may be depleted, and no one can enjoy it any more. Although the two types of social dilemmas represent different paradigms, they share the same type of conflict and tension between cooperation and competition. Since alliance partners have to invest (or contribute) first to create value and then share the benefits, we choose to adopt the public goods paradigm to model alliance cooperation. 3 Although the literature makes a distinction between a continuous public goods paradigm and a step-level public goods paradigm (Komorita & Parks, 1994), we believe the differences between the two are not substantial enough for the issues investigated in this paper. To simplify the matter, we use a continuous public goods paradigm as an illustration. 590 October Academy of Management Review value of the public good will be distributed equally among all partners. Resources kept for oneself, however, will not increase value but will belong only to oneself. Moreover, the higher the total amount of the contribution made to the public good, the higher the amount of profit all will be able to share. Consider the AOL alliance with drkoop.com, GTE, US West, Sun, and Nintendo. Six partners are involved in this alliance. Each company has its own expertise (or core competence), technology, customer base, and market share. Except for those contributions that are clearly stipulated in the contracts and, thus, easy to monitor, each partner has some discretion over how much intangible asset to invest in the alliance. The more resources accrued in the alliance, the higher the profit all will be able to share. For our hypothetical example, assume that the amount of resource each partner has is 10(S = 10), that the profit each earns when choosing to operate independently is 10(P = 10), and that the value for resources contributed to the alliance is doubled. The payoff matrix for this problem is presented in Table 1. We can see from Table 1 that when the alliance is not formed (0, 0), each partner has its own payoff of 10, and when all partners contribute all of their resources (10, 10), all receive a payoff of 20, suggesting that the payoff of universal cooperation is higher than that of universal defection. However, no matter what the other partners’ average contribution is, the more a partner contributes, the lower the payoff will be for that partner (the payoff of the upper rows is always higher than that of the lower rows), suggesting that the temptation for defection or competition is always embedded in such a situation. This payoff matrix simulates the tension embedded in the multipartner strategic alliance. As we suggested above, the public goods dilemma paradigm can be used to model the cooperation problem in a multipartner alliance. Such modeling, even with rather limiting assumptions, captures the essence of the dilemma nature of partner interactions in alliances and, hence, provides a good starting point toward better understanding intra-alliance dynamics. Naturally, after initial validation of the propositions derived from the model, subsequent research can relax the assumptions and test for generalizability. In previous alliance research, scholars have not explicitly adopted a social dilemma approach, except for the few studies (i.e., Heide & Miner, 1992; Parkhe, 1993) using the prisoners’ dilemma game to model the dyadic relationship. However, the iterated two-person prisoners’ dilemma is much narrower in scope than the social dilemma and generally cannot represent multipartner alliances (Dawes, 1980; Orbell & Dawes, 1981), for several reasons. First, in the two-person dilemma, all harm of noncooperation (or defection) completely falls on the other TABLE 1 A Payoff Matrix for a Six-Partner Continuous Public Goods Dilemma Mean Contribution of Other Partners Your Firm’s Contribution 0 1 2 3 0 1 2 3 … 10 11.67 13.33 15.0 … 26.67 9.33 8.67 8.0 11.0 10.33 9.67 12.67 12.0 11.33 14.33 13.67 13.0 … … … 26.0 25.33 24.67 3.33 5.0 6.67 8.33 … 20.0 10 • 10 Note: Each member of the six-partner alliance voluntarily contributes 0 to 10 units of its company’s resources to the alliance. The total contribution in the alliance earns an interest of 100 percent (value doubled), and the resources not contributed earn no interest. Each partner’s total payoff is an equal share from the alliance plus whatever each keeps for its own firm, as shown in the following formula: Your Firm’s Payoff = (10 — C) + 2[(n — 1)MC + C]/n where C denotes your firm’s contribution, n denotes the total number of partners in the alliance (six in this case), and MC denotes the mean contribution of other partners. 2003 Zeng and Chen player; hence, harm is focused rather than spread out, whereas in multipartner alliances, gain for noncooperation accrues directly to the self, while harm is diffused over a considerable number of partners. Thus, a partner in the multipartner situation will feel less guilt toward any particular partner when choosing not to cooperate and, in turn, will be more likely to defect than a partner in the two-party situation. Second, in a multipartner strategic alliance, one partner’s noncooperative behavior is more likely to be kept anonymous than it is in the two-person dilemma. In other words, partners may not easily detect who did what in the multipartner situation, whereas in the two-person dilemma, there is much less uncertainty about the other partner’s behavior. As a result, a partner in the multiparty situation will have a stronger incentive to defect than a partner in the two-party situation, because it is easier to get away with defection. Finally, in the iterated two-person dilemma, each player can “punish” (or “reward”) the other for noncooperation (or cooperation) by choosing noncooperation (or cooperation) in the subsequent interaction. Thus, each player can attempt to shape the other’s behavior and, hence, indirectly determine the alliance outcome through the choice of his or her own action. This degree of “influence potential” in the two-person iterated dilemma is clearly diluted in the multi-player case, where it is much harder for any single player to shape the group dynamics effectively, unless there is a clear, dominant player. This sense of lack of controllability of others’ behavior and, thus, of the alliance outcome is more likely to increase the defective behavior of a partner in the multiplayer situation than in the two-party situation. Owing to the specificity of harm, better knowledge of partner behavior, and higher potential use of one’s own behavior to shape the other’s behavior, a twoperson iterated prisoners’ dilemma cannot be considered representative of the multipartner problem. On the contrary, it is only a special case of the social dilemma (when n = 2). Therefore, while the mechanisms effective in solving the multipartner problem can be applied in the two-partner case, the reverse does not hold. We further elaborate the implications of such differences between two-person prisoners’ dilemma and social dilemma for alliance management in the Propositions section. 591 SOLUTIONS DERIVED FROM THE SOCIAL DILEMMA RESEARCH After several decades of research on social dilemmas (Komorita & Parks, 1995; Messick & Brewer, 1983; Olson, 1965; Pruitt & Kimmel, 1977), researchers have suggested and tested numerous solutions in different experimental and empirical settings. A distinction is often made between structural and motivational solutions (for an extensive review, see Komorita & Parks, 1994; Messick & Brewer, 1983; and Yamagishi, 1986a). Generally speaking, structural solutions focus on the effects of the structural (or technical) parameters of the dilemma (e.g., payoff matrix, group size) on individual behavior. They include (1) changing the structure of the payoff matrix (Dawes, Orbell, Simmons, & van de Kragt, 1986; Komorita, Chan, & Parks, 1993; Marwell & Ames, 1979, 1980; Rapoport, 1967), (2) introducing sanction systems (Caldwell, 1976; Chen & Yao, 2003; McCusker & Carnevale, 1995; Yamagishi, 1986a; Yamagishi & Sato, 1986), (3) reducing group size (Fox & Guyer, 1977; Komorita & Lapworth, 1982), or (4) changing allocation rules (Chen, 1999; Rap-oport & Amaldoss, 1999). Motivational solutions, however, focus on changing partners’ perceptions of the social environment (e.g., expectations of other partners’ behavior; feelings of group identity, trust, self-efficacy), and therefore their motivation for cooperation. These solutions include (1) introducing face-to-face discussion of the dilemma before making contribution decisions (Bouas & Komorita, 1996; Dawes, McTavish, & Shaklee, 1977; Edney & Harper, 1978a,b; Jerdee & Rosen, 1974; Kerr & Kaufman-Gilliland, 1994; van de Kragt, Orbell, & Dawes, 1983), (2) establishing long-term goals, or “extending the shadow of the future” (Axelrod, 1984; Axelrod & Dion, 1988), and (3) informing partners about the negative consequences of defective actions (Alock & Mansell, 1977; Caldwell, 1976; Edney & Harper, 1978b). The fundamental difference between these two types of solutions lies in the degree to which a solution is associated with actual, tangible changes in a partner’s payoff. With structural solutions, on the one hand, any changes in the parameters of the dilemma structure will lead to a change in a partner’s payoff for cooperation; therefore, cooperation induced by structural changes will have “instrumental” value. For example, partners will be willing to contribute 592 Academy of M more to the alliance when the payoff for cooperation is enlarged. On the other hand, motivational solutions are not directly related to any tangible changes in one’s payoff. For example, a partner that feels its contribution to be crucial to the alliance will be more willing to contribute, even though doing so will not necessarily enlarge its own material payoff. In applying the solutions derived from the social dilemma research, much of which is conducted at the individual level, to interorganiza-tional relationships, we see a levels issue arise (Klein, Dansereau, & Hall, 1994). In this article we treat each alliance partner as an “individual” player in a social dilemma. That is, even though each partner is composed of numerous members, we assume that all members are sufficiently similar with respect to the constructs we consider that they can be characterized as a whole (Klein et al., 1994). According to Schneider’s (1987) Attraction-Selection-Attrition (ASA) framework, people who “fit in” the organizational environment are more likely to remain a member, whereas people who do not “fit in” are more likely to depart from the organization. The developing literature on shared mental models (e.g., Mathieu, Heffner, Goodwin, Salas, & Cannon-Bowers, 2000) and on transactive memory in groups (e.g., Liang, Moreland, & Argote, 1995) also suggests that members of groups or organizations indeed develop shared images. For example, the degree of organizational identification may vary among employees within the same organization, but such variance will be smaller than that among employees in different organizations. Research has demonstrated that constructs such as trust, learning, justice, and identity are all meaningful at the organizational level (Gulati, 1995; Naumann & Bennett, 2000; Ring & Van de Ven, 1994; Senge, 1990). Moreover, because the key issue addressed in social dilemma research (i.e., the tension between cooperation and competition) is rather general, and because the analytic tools used are often abstract, there has been a long history of applying the social dilemma framework to multiple levels. For example, this framework has been used in studying the arms race between countries (Osgood, 1962; Pilisuk, 1984; Pilisuk, Potter, Rapoport, & Winter, 1965; Pilisuk & Skolnick, 1968; Rapoport, 1960, 1964), international conflicts (e.g., Brams & Kilgour, 1988), negotiation between groups (McCallum et al., gement Review October 1985), governmental decisions regarding federal intervention into the marketplace (Inman, 1987), and provision of financial welfare systems (Buchanan, 1975; Kotlikoff, 1987). More recently, Cable and Shane (1997) used this framework to analyze the relationship between entrepreneurs and venture capital firms. In this article we are consistent with previous work in applying the conceptual framework derived from the social dilemma literature to alliance contexts. PROPOSITIONS Accumulated research in social dilemma theory indicates that the most robust solution under the structural approach is changing the payoff matrix, whereas the most robust solutions under the motivational approach are enhancing communication and establishing long-term goals among partners (for a review, see Kollock, 1998; Komorita & Parks, 1995; Ledyard, 1995; and Mes-sick & Brewer, 1983). In this article we focus on these solutions in making our propositions. Figure 1 summarizes the social dilemma theoretical framework and the various propositions derived from this framework. Structural Solution: Changing the Payoff Matrix The payoff matrix of a social dilemma can be changed in many ways, while still maintaining its structure under the constraints of a dilemma (Dawes, 1980). One of the most robust indices of a payoff matrix is the K'-index (Komorita, 1976). This K'-index for an n-person social dilemma can be calculated by the following formula: K' = (Cn — D0)/(Dn _ 1 — C1) where Cn denotes the payoff when all partners cooperate, D0 denotes the payoff when no one cooperates, Dn _ 1 denotes the payoff for a competitive choice when n — 1 other partners cooperate, and C1 denotes the payoff for a cooperative choice when all other partners defect. Therefore, in the continuous public goods payoff matrix presented in Table 1, K' = (20 — 10)/ (26 — 4) = 0.45. According to Komorita (1976), for any given n-person social dilemma, the value of K' ranges from 0 to 1.0, and the incentive to cooperate increases directly with the magnitude of K'. Therefore, people will be more willing to 2003 Zeng and Chen 593 594 Academy of M cooperate in high K' games than in low K' games. In extreme cases there is no incentive to cooperate when K' = 0 and no incentive to defect when K' = 1.0. This index has received strong empirical support (Komorita et al., 1993; Ko-morita, Sweeney, & Kravitz, 1980). The K'-index suggests that changing the payoff matrix to increase the value of K' will make alliance partners more willing to cooperate. From the formula above, there are at least four relevant payoffs: for (1) universal cooperation (Cn), (2) universal defection (D0), (3) single defection (Dn _ 1), and (4) single cooperation (C1). Keeping everything else constant, the value of K' will be increased if Cn or C1 is increased, or if D0 or Dn _ 1 is decreased. To apply these notions in the alliance context, we can see that if all partners can gain a bigger benefit when they pool their resources than when they are on their own (i.e., if Cn — D0 is larger), they will be more likely to cooperate. In other words, if the potential gains from joining forces are larger, such as when partners have different but complementary contributions to an alliance, there is a stronger “pull” for partners to cooperate (Doz & Hamel, 1998; Geringer, 1989; Harrigan, 1985; Lyles, 1994; Park & Russo, 1996; Saxton, 1997). Based on this reasoning, we offer our first proposition. Proposition 1: The larger the difference between the payoff for universal cooperation and the payoff for universal defection, the more likely alliance partners will cooperate with each other. Moreover, deriving from the formula, if little benefit is associated with the single defection behavior (Dn _ 1) and little risk is involved in the single cooperation situation (C1), partners will be more willing to cooperate. Borrowing Coombs’ (1973) terminology and Rapoport’s (1967) paradigm, reducing the value of Dn _ 1 (e.g., reducing the extra payoff for keeping one’s own resource) is a way to reduce one’s “greed”—a concept referring to one’s motive to exploit by not contributing when the majority of the others do. And an increase in C1 (e.g., reducing the loss of one’s contribution when the public good is not provided) is a way to reduce one’s “fear”—fear of being exploited or having one’s resources or capabilities wasted when one contributes but the majority of others do not. In the social dilemma literature, the effects of greed gement Review October and fear have been studied extensively, and there is a strong consensus that people are more willing to contribute when greed or fear is minimized (Dawes et al., 1986; Komorita et al., 1980; Rapoport & Eshed-Levy, 1989; Yamagishi & Sato, 1986). In the alliance context, partner greed is a major concern when hold-up is a serious problem. Partners who invest in alliance-specific assets are afraid that their partners may become greedy and take advantage of their vulnerable position because of their sunken investment in the alliance. Fear is also a serious concern when the leakage problem is a real threat. Partners often become overprotective of their contributions to the alliance for fear of those contributions being stolen by other partners to use against them outside the alliance. An important mechanism for minimizing greed is creating universal hostages by forcing partners to make significant investments specific to the alliance (Holm, Eriksson, & Johanson, 1999; Koss & Curtis, 1997). Such hostages can “tie their hands to each other” (Schelling, 1960) and “equilibrate the opportunistic hazards” (Shuen, 1994). The mechanisms to minimize fear can range from choosing noncompetitors as partners to isolating alliance activities from other competing businesses to consolidating related businesses of partners into the alliance (Doz, 1996; Kale, Singh, & Perlmutter, 2000; Khanna, 1998; Makhija & Ganesh, 1997). For example, Shin Caterpillar Mitsubishi, the joint venture between Caterpillar and Mitsubishi, experienced serious difficulties in its initial stage, because both parties had independent hydraulic excavator businesses that competed against one another. Cooperation took off after the partners combined their hydraulic excavator businesses within the joint venture, which became responsible for the design, production, and marketing of hydraulic excavators for both partners (Nonaka & Takeu-chi, 1995: 212–215). Another important mechanism for increasing cooperation is using the so-called black box approach, in which intermediate products incorporating partners’ contributions are transferred to each other without revealing the underlying knowhow. This approach has been found to significantly mitigate the risk of leakage (Baughn, Denekamp, Stevens, & Osborn, 1997; Lorange & Roos, 1992; Scarbrough, 1995). In fact, this was an important design principle for one of the most 2003 595 Zeng and Chen successful alliances, GE-SNECMA, a joint venture between GE and SNECMA that has become a dominant player in aircraft engine production (Doz, 1996; Dussauge & Garrette, 1999). While GE contributes its expertise in designing and manufacturing the engine core and the combustion chamber, SNECMA is responsible for the lowpressure turbine, the fan, and the lubrication and fuel systems. The interface is set up in a way that does not reveal the underlying competences of either partner. For example, to protect GE’s sensitive technology, the engine core manufactured by GE is sealed before being shipped to SNECMA for assembly (Doz, 1996; Dussauge & Garrette, 1999). Controlling greed and fear is thus crucial for promoting cooperation among partners. Proposition 2: The lower the threat of greed or fear, the more likely alliance partners will cooperate with each other. Motivational Solution I: Improving Communication Among Partners While structural solutions can be effective in solving the alliance dilemma, they involve high costs. For example, a separate monitoring or surveillance system may be needed to create universal hostages within the alliance. The consolidation of partners’ related businesses into the alliance also requires extra monitoring and coordinating. Motivationbased methods, however, can potentially offer more cost-effective solutions to improve cooperation. Enhancing communication among partners is one such example of a cost-effective solution (e.g., Bouas & Komorita, 1996; Chen, 1996; Dawes et al., 1977; Kerr & Kaufman-Gilliland, 1994; van de Kragt et al., 1983). Social dilemma research has consistently shown that allowing communication (mainly face-toface discussion) increases cooperation dramatically. For example, in Dawes et al.’s (1977) study of the effects of discussion, the researchers found a 70 percent cooperation rate in groups with discussion but only a 30 percent cooperation rate in nodiscussion groups. Other researchers have obtained similar results regarding the effects of face-to-face communication (Bouas & Komorita, 1996; Chen, 1996; van de Kragt et al., 1983). Moreover, studies of the effect of other forms of communication—for example, written message only or computermediated communication only (e.g., Chen & Komorita, 1994; Pilisuk & Skolnick, 1968)—also showed significantly increased cooperation. A direct implication of this effect for alliance management is to improve communication among partners. Proposition 3: The higher the level of communication among them, the more likely alliance partners will cooperate with each other. The communication effect is well accepted in the alliance literature (Doz, 1996; Kanter, 1994), but we know much less about the underlying mechanisms that account for such behavioral changes. The social dilemma literature has offered many explanations for the communication effect. One such explanation is that group discussion of the dilemma helps people understand the nature of the dilemma better so that all realize the negative consequences associated with universal defection and the positive outcomes of universal cooperation (Dawes, 1980). Another explanation is the normative influence (Deutsch & Gerard, 1955) generated through dis-cussion—that is, discussing the dilemma provides information on what choices others in the group say they are willing to make, thus establishing group norms and introducing conformity pressures in favor of collective choices. A third explanation is the trust developed through discussion and interaction. Talking about decisions may cause group members to believe that others are committed to making cooperative choices, and enhanced trust, in turn, reduces the perceived risk involved in making cooperative choices oneself (Messick & Brewer, 1983). The fourth explanation is the group identity hypothesis (Dawes, van de Kragt, & Orbell, 1988), which states that group discussion induces positive attitudes toward the group (group identity) and creates a sense of cohesion that increases the probability group members will take group interest into account when making their own decisions. And the fifth explanation is related to the perceived impact (or perceived criticality, sense of efficacy) of one’s contribution in establishing and maintaining the public good or in influencing other members’ behavior (Chen, Au, 596 Academy of Management Review & Komorita, 1996; Kerr, 1989, 1992; Sweeney, 1973; van de Kragt et al., 1983). While it may be the case that all of these mechanisms take effect at the same time during group discussion of the dilemma, it is conceivable that each of the mechanisms may, on its own, induce cooperation.4 In studies testing these hypotheses through means other than face-to-face discussion, directly or indirectly, researchers found the following results. First, regarding the “normative influence” hypothesis, research indicates that while a competitive norm is likely to increase members’ defecting choices (Jerdee & Rosen, 1974; Pillutla & Chen, 1999), a cooperative norm does not always increase cooperation. Instead, whether it will increase cooperative or defecting choices depends on how much a member identifies with the group (Chen, 1997) or what cultural context the member lives in (Chen, Wasti, & Triandis, 2003). Second, studies of the “group identity” hypothesis show mixed results. Although researchers found that members who highly identified with their group tended to contribute more, the high contribution was often the result of the interaction between high group identity and some other factor, such as perceived group consensus or self-efficacy (Bouas & Komorita, 1996; Chen, 1996; Kerr & Kaufman-Gilliland, 1994), suggesting that group identity may not be sufficient but is necessary in inducing cooperation in social dilemmas. Third, the “perceived impact” hypothesis, unlike the other two, has received significant support from empirical research. For instance, Kerr (1992) found that the perceived impact induced by allocating more weight to a particular member’s input increased this individual’s contribution. Chen et al. (1996) also found that perceived criticality mediated the relationship between objective criticality and cooperation. There are many ways to promote a cooperative norm, to build high group identification within the alliance, or to increase the perceived impact of each partner’s contribution. For example, partners can choose to make their promises (cooperative ones) public so as to induce the Because the “understand the nature of the dilemma” hypothesis and the “trust” hypothesis are discussed later in the paper, we focus on the other three hypotheses in this section. 4 October perception of a cooperative group norm (for details, see Orbell, van de Kragt, & Dawes, 1988). They also can make a unilateral commitment to signal their willingness to cooperate (Gulati, Khanna, & Nohria, 1994). For instance, in an R&D alliance, one partner gave its counterpart the re´sume´s of all fifty of its development engineers and then let its partner select ten engineers that it considered best suited for the alliance and decide how to deploy them (Gulati et al., 1994: 65). When the majority of the partners do this, a cooperative norm will be established within the alliance. One effective way to build identity with the alliance is to make all partners aware of interalliance competition (Bornstein, 1992; Tajfel & Turner, 1979)—for example, several other alliances with similar products are competing for market share—so as to create the feeling that all partners within the alliance share a common fate. It has been shown that partners facing the same enemies are more likely to cooperate (Gomes-Casseres, 1996; Hamel, 1991). Furthermore, to increase the level of perceived impact, an alliance should keep alliance size relatively small by accepting only highly qualified partners or by dividing into many small suballiances to make decisions (Kerr, 1989). One reason for the demise of Iridium, Motorola’s ambitious project for mobile satellite communication, had to do with the difficulties Motorola encountered in trying to gain support from many partners who did not feel that their contributions could make a difference to the alliance (Finkel-stein & Sanford, 2000). These arguments can be summarized in the following propositions. Proposition 4a: Alliance partners will be less likely to cooperate with each other when they perceive a competitive rather than a cooperative norm within the alliance. Proposition 4b: Alliance partners will be less likely to cooperate with each other when they have a low rather than a high level of identification with the alliance. Proposition 4c: Alliance partners will be more likely to cooperate with each other when they perceive a high 2003 597 Zeng and Chen rather than a low impact of their contribution on alliance success. Motivational Solution II: Establishing LongTerm Goals Among Partners Axelrod (1984) proposed increasing cooperation among partners by extending “the shadow of the future” after he conducted and analyzed a computer tournament in the two-person prisoners’ dilemma. In other studies scholars have also shown that when the time frame is short— for example, when people play a one-trial game—they are more likely to defect than when they play a multitrial game (a longer time frame). Moreover, people tend to defect more when they know that it is the last trial of the game than when they have no such knowledge (Andreoni & Miller, 1993; Luce & Raiffa, 1957). Why might a longer time horizon be effective in enhancing cooperation among partners? First, according to the goal/expectation theory proposed by Pruitt and Kimmel, cooperation often results from long-term thinking that aims “to achieve the goal of establishing and/or maintaining continued cooperation” (1977: 375). As suggested by repeated research findings, cooperation generally increases after an initial decline, and the shift from short-term thinking to long-term thinking usually occurs when partners realize the importance of cooperation through the experience of the undesirable consequences of defection (getting to an understanding of the advantages and disadvantages associated with cooperation and defection). In other words, it takes time for all partners to fully understand the nature of the game. Second, in a long-term relationship, partners are more likely to have opportunities to reciprocate other partners’ behavior. For example, partners can retaliate against defection behaviors in order to make others realize that exploitative behavior cannot continue forever, because other partners will not unilaterally cooperate for a long time. They also can encourage others to cooperate by cooperating first or reacting with immediate cooperation when others are doing so. Third, a longer time horizon provides more opportunities to develop trust among alliance partners. As pointed out by Boyle and Bonacich (1970), trust in dilemma situations develops from a sequence of interactions that reveals or discloses the motives and intentions of other players. Finally, a longer time horizon imposes more intangible costs related to noncooperative behaviors, such as reputation loss, future partnership loss, and so on. Hence, establishing a longer time horizon for alliances promotes cooperation between partners. For example, Heide and Miner (1992) surveyed a sample of 155 purchasing agents and 60 suppliers and found that extending the anticipated interactions, increasing the frequency of contact, and making one’s behavior more transparent could all effectively extend the “shadow of the future” and promote buyer-seller cooperation. Parkhe (1993) also found, in a survey of senior executives involved in joint ventures, that long time horizons and frequent interactions reduced opportunistic behaviors among partners and improved joint venture performance. Proposition 5: Alliance partners will be more likely to cooperate with each other when they perceive a long-term rather than a short-term goal within the alliance. The reasoning above indicates two common hypotheses introduced earlier—namely, the “understand the nature of the dilemma” and the “trust” hypotheses. Understanding the dilemma nature of an alliance is important in evoking partners’ cooperation, because alliance partners might not realize that they are in a dilemma situation. They may be equipped with the “cooperating” spirit when joining the alliance and later get frustrated when observing others’ shirking behavior, or they may enter alliances prepared to see self-protecting behavior from other partners and, thus, may be unwilling to make significant contributions to the alliance (i.e., the racing view). Becoming informed about the complex dilemma nature of the alliance can (1) get every partner’s understanding along the same line, (2) help partners see the whole picture (both advantages and disadvantages) of cooperation and competition, and (3) reinforce the desirable outcome of universal cooperation (i.e., alliance success) and the undesirable outcome of universal competition (i.e., alliance failure). Dilemma research has shown that informing people about the negative consequences of defective actions or helping them focus on the positive outcomes of cooperative actions increases 598 Academy of Management Review cooperation (Alock & Mansell, 1977; Caldwell, 1976; Edney & Harper, 1978b). Partners having more experience with alliances tend to understand the dilemma nature of alliances better, and they do better promoting cooperation among partners. Corning Inc. has been exemplary in this regard, successfully managing dozens of alliances over a long time period. Companies entering alliances with the mindset of “creating a win-win situation” rather than “winning the learning race” have a higher chance of success (Arino & de la Torre, 1998; Doz & Hamel, 1998). Proposition 6: The better they understand the social dilemma nature of the alliance, the more likely alliance partners will cooperate with each other. Despite the intuitive appeal of the trust hypothesis, studies testing it have shown mixed results. On the one hand, researchers have found that people who have high levels of trust toward others are more likely to cooperate (Bates, 1979; Caldwell, 1976; Messick et al., 1983). On the other hand, researchers have also found that unconditional trust—“no matter what others do, I cooperate”—exhibited by one member generated less cooperation than conditional trust—“I cooperate if you do, or I cooperate first, then cooperate only when you do so” (Axelrod, 1984; Messick, 1994). These results seem to suggest that the usual belief that “trust breeds trust” or “trust breeds cooperation” is probably inadequate in capturing the complexity of the social dilemma situation (Lewicki, McAllister, & Bies, 1998). High levels of trust demonstrated through unconditional cooperation in a social dilemma can generate two types of attributions: trustworthiness or irresponsiveness (or stupidity). If this trust generates the former, cooperation will likely follow; if it generates the latter, then this trust is more likely to be taken advantage of. Trust demonstrated through conditional cooperation leaves room for only one attribution—that is, trustworthiness (“this partner can be counted on if I choose to cooperate”). This is likely to be the case when partners behave according to the reciprocity principle (Gouldner, 1960; Kogut, 1989)—that is, they cooperate first and then are responsive to other partners’ behavior so as to “reward” cooperation by cooperation and “punish” defection by defection. October A typical example of the reciprocity princi-ple— the tit-for-tat (TFT) strategy in a two-person dilemma—has been demonstrated as the most effective in inducing cooperation among numerous competing strategies, including “cooperating all the time” or “defecting all the time” (Ax-elrod, 1984; Axelrod & Dion, 1988). Although in a multipartner alliance it becomes harder to figure out the strategy of any one partner, or to detect who is cheating or distinguish cheating from honest mistakes, researchers (e.g., Ko-morita, Parks, & Hulbert, 1992) have shown that the larger the proportion of group members who use a reciprocal strategy, the greater the likelihood other members will cooperate. Proposition 7: Alliance partners will be more likely to cooperate with each other when more partners in the alliance use the reciprocity principle in interaction with other partners. So far, we have discussed the main structural and motivational solutions for increasing cooperation in multipartner alliances. However, structural and motivational solutions complement each other, and the mechanisms discussed above sometimes interact with one another. As we discussed earlier, for example, trust may be developed when partners frequently communicate as well as when they establish a long-term goal for the alliance. In turn, trust building may also reduce partners’ “greed” and “fear” in cooperating. Moreover, enlarging the difference between the payoff for universal cooperation and universal defection may increase the trust level, because the advantage of cooperation is made so salient. This is consistent with Das and Teng’s view (2000) that trust and control are both important in inducing cooperation among alliance partners. Yamagishi (1986b) once proposed a structural goal/expectation theory to promote the simultaneous use of structural and motivational approaches. Chen (1999) also advocated a combined approach to social dilemmas—that is, starting from structural changes to understand motivational changes or starting from motivational solutions to find effective structural changes. It is important to note that the propositions developed in this article should apply equally to multipartner and dyadic alliances. However, because of the three major differences be- 2003 Zeng and Chen tween these two types of alliances, as discussed earlier—namely, more diffused harm, higher anonymity of individual action, and the lack of controllability of others’ behavior in the multipartner situation—it is generally more difficult to induce cooperation from partners in the multi-player than in the two-party situation. Moreover, norms and identities are likely to exert more substantial effects on partner behavior in the multipartner situation than in the two-party situation. For example, in the two-party situation, it is the other party’s behavior that determines the focal party’s perception and behavior, which do not involve norms or identities. In the multi-partner situation, however, the focal party’s perception is not likely to be determined by one particular party’s behavior; rather, the focal party forms its perception based on the majority or a few partners’ past behavior and then behaves according to its general perceptions of the norm within the alliance, the cohesiveness of the alliance, or its own potential influence on other partners’ behaviors. We summarize these insights in our final proposition. Proposition 8: Establishing a cooperative norm, creating high identification with the alliance, increasing the level of individual partner’s perceived impact, developing optimal trust, and making each partner’s action identifiable will be more important in promoting cooperation in multipartner than in two-partner alliances. DISCUSSION AND CONCLUSIONS In this article we make three major contributions to the alliance literature. First, unlike in most of the previous alliance research investigating why organizations form partnerships and how partners choose among different governance forms (such as equity versus nonequity alliances), we focus on the crucial yet long overlooked question of how partners achieve and sustain cooperation after an alliance is established (Doz, 1996; Koza & Lewin, 1998; Osborn & Hagedoorn, 1997). In addition, we explore this issue in the context of multiparty alliances—a form of alliance that is growing both in number and in importance but that has received limited theoretical and empirical treatment. Second, we provide a conceptual framework that is particularly suited to studying this fun- 599 damental cooperation dilemma facing alliance partners. Although the current dominant theories on alliances, such as transaction cost economics, organizational learning, and resource dependence theories, have greatly enhanced our understanding of the alliance phenomenon, they lack a comprehensive grasp of the complex interdependence between cooperation and competition among alliance partners. The social dilemma literature, however, has been developed to understand why and how cooperation can emerge among self-interest– pursuing social actors. In Table 2 we compare the social dilemma approach with some dominant theories in alliance research on four aspects: key ideas, analytical unit, research methodology, and disciplinary foundations. The transaction cost economics literature investigates when an alliance is an appropriate governance form to organize interorganizational relationships. Organizational learning theory focuses on how organizations can use alliances to reduce the uncertainties and resource dependencies they are facing. The strategic management literature emphasizes how parent organizations can use alliances to gain market power or competitive advantages. We can see, from this comparison, that only the social dilemma approach focuses explicitly on the dynamic interactions among alliance partners. The social dilemma approach, however, is consistent with other theoretical perspectives on alliances. For example, some of the structural solutions we have proposed in this paper, such as using a universal hostage to minimize greed, are consistent with a transaction cost reasoning (Williamson, 1985), while the motivational solutions seem to echo the recent relational view of alliances (Dyer & Singh, 1998; Kale et al., 2000). Therefore, the social dilemma approach provides a platform for constructive dialogues among proponents of different theoretical perspectives on alliances and helps to pave the way for a truly multitheory and multilevel understanding of alliances (Inkpen, 1995; Koza & Lewin, 1998; Osborn & Hagedoorn, 1997). Third, the social dilemma approach not only provides theoretical underpinnings for some familiar yet underdeveloped concepts in the alliance literature but also offers fresh insights on partnership management in alliances. For example, better communication has long been rec- 600 October Academy of Management Review TABLE 2 Comparison of Major Theoretical Approaches to Alliancesa Organizational Comparison Categories Transaction Cost Economics Learning/Resource Dependence Strategic Management Social Dilemma Major contributors Williamson (1985), Pfeffer & Salancik Killing (1983), No explicit application to alliance yet Inducing cooperation among selfinterest– pursuing partners Multipartner Modeling, experiment, case, large sample study Social psychology Hennart (1988) (1978), Hamel (1991) Key ideas Choosing the right governance mode to minimize transaction costs Developing capabilities, reducing risk and dependence Kogut (1988), Harrigan (1988) Enhancing market power and competitive advantage Analytic unit Methodology Dyad Large sample study Focal firm Case, large sample study Focal firm Case, large sample study Disciplinary foundation Economics Sociology/OB Strategy (economics and sociology) a We make the distinction between social dilemma theory and game theory despite the fact that public goods dilemma is sometimes categorized as one type of game theory. Game theory is the term used by economists, who often assume that people are rational and thus focus on developing strategies to win the game and structural solutions to the problem. Social dilemma, however, is a term proposed by social psychologists, who assume that people are not always rational and that psychological factors play an important role in determining behavior. Therefore, they emphasize both motivational and structural solutions. ognized as one of the most important factors for alliance success (Kanter, 1994), but researchers knew little about why and how communication works. The social dilemma literature helps us to understand how better communication can lead to a higher perceived impact of one’s contribution to an alliance, to a stronger group identity with the alliance, and to a better understanding of the nature of the dilemma, all of which, in turn, promote cooperation among partners. Meanwhile, the discussion on how partners can enhance cooperation by minimizing the threat of fear and greed provides fresh insights on partnership management. Limitations of the Social Dilemma Approach and Directions for Future Research The limitations of the social dilemma approach stem from the assumptions underlying the public goods paradigm used in this paper. First, there is the assumption that every partner holds an equal amount of resource to be contributed to the alliance and that all are free to choose any amount for contribution, both of which lead to the second assumption, which is that every partner shares an equal power in determining and influencing the alliance outcome. Third is the assumption that there is a symmetrical payoff for every partner under the condition of cooperation or defection, and, fourth, that all partners make decisions simultaneously. Last, there is the assumption that values accrued in the alliance are equally shared by all partners, regardless of their respective input. Obviously, these assumptions make the public goods paradigm an abstract and simplified form of the dilemma, which may not fit the characteristics of various alliances. For example, alliances often involve a core member (or leading partner) who contributes more, takes more responsibility in establishing the alliance, and is entitled to benefit more from the alliance. In this case, the leading partner undoubtedly has more power than others in influencing the alliance outcome and likely gains more than other partners from the alliance. The payoff matrix we describe in Table 1, thus, will not apply in this 2003 601 Zeng and Chen case, because it violates several assumptions discussed above. Nevertheless, even in such cases, the fundamental tension between cooperation and defection (or competition) exists. The leading partner still relies on other partners’ contributions to make the alliance work. If other partners contribute inadequately, the alliance may fail, and the leading partner’s investment will be wasted. The research findings on the impact of control structures on performance by Bleeke and Ernst (1993) seem to support this assertion. They found that alliances with one dominant company had a lower success rate (31 percent) than those with even split ownership (60 percent), because, in the latter cases, partners were more likely to have a cooperative mindset. In any event, we use the public goods paradigm as a starting point to simplify the modeling. Other research paradigms with more relaxed assumptions (e.g., social dilemmas with an asymmetrical payoff matrix or sequential social dilemmas; see Chen et al., 1996, and Erev & Rapoport, 1990) can also be extended to the alliance contexts accordingly. Implications for Research These analyses have shown the power of the social dilemma approach in solving the cooperation dilemma in multipartner alliances. Much more work, nevertheless, is warranted before we fully understand the dynamics of partner cooperation in alliances. In addition to testing the propositions made in this paper, future research is needed to understand the boundary conditions under which a particular mechanism would be effective in promoting cooperation among partners. Also needed is a better understanding of how structural solutions interact with motivational solutions (e.g., how trust can be built both through economic incentives and social and psychological interactions; see Koza & Lewin, 1998) in inducing cooperation over time in alliances (Doz, 1996; Ring, 2000). Moreover, with more and more organizations increasingly involved in intricate webs of alliances (Doz & Hamel, 1998: 221–251; Gomes-Casseres, 1996; Powell, 1998), it is crucial to understand how cooperation evolves in networks of alliances. Fully exploring the potential of applying a social dilemma approach to alliances requires different methodologies. One can adopt the sim- ulation and modeling approach to test the propositions in the alliance context, as exemplified by the recent work of Khanna and his colleagues (1998). One can also adopt the in-depth case study approach to understand how the constructs identified in this paper manifest themselves and influence partner cooperation. The work of Inkpen (1995), Doz (1996), and Arino and de la Torre (1998) has made important progress in this direction. Another approach is to develop empirical operationalizations of the key constructs identified in our propositions and test them with large sample datasets (Khanna, Gu-lati, & Nohria, 2000). Recent debate between Ink-pen (2000) and Khanna et al. (2000) highlights the need to adopt a multidiscipline and multi-method approach to studying alliances. There is a growing recognition of the need for the alliance literature to move beyond treating alliances as transitory mechanisms between market and hierarchy, and beyond treating cooperation and competition as two extremes of a single continuum (e.g., Doz, 1996; Dyer & Singh, 1998; Inkpen, 2000; Koza & Lewin, 1998). Drawing from social dilemma theory, we have proposed various structural and motivational mechanisms that can be utilized to enhance cooperation among partners, in the presence of continuous threat of competition. 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From learning race to cooperative specialization: Reconciling two views of alliances. In F. Contractor & P. Lorange (Eds.), Cooperative strategies and alliances: What we know 15 years later: 189–210. London: Elsevier. Ming Zeng is an assistant professor of Asian business at INSEAD, Singapore, and a visiting professor at Cheung Kong Graduate School of Business, Beijing, China. He received his Ph.D. from the University of Illinois at Urbana-Champaign. He has done extensive research on foreign market entry strategy, strategic alliances, and the competition and cooperation between local and multinational firms in China. Xiao-Ping Chen is an associate professor in the Department of Management and Organization at the University of Washington. She received her Ph.D. from the University of Illinois at Urbana-Champaign. Her current research interests include social dilemmas, group dynamics, organizational citizenship behavior, and cross-cultural management. Copyright © 2003 EBSCO Publishing