Research paper A conceptual research framework for analyzing online auctions in a B2B environment Diane H. Parente Ray Venkataraman John Fizel and Ido Millet The authors Diane H. Parente is Assistant Professor, Ray Venkataraman is Associate Professor of Management, John Fizel is Professor of Economics, and Ido Millet is Associate Professor of MIS, all in the School of Business, Pennsylvania State University, Erie, Pennsylvania, USA. Keywords Electronic commerce, Supply chain management, Auctions, Research Abstract The rapid growth of online auctions underscores the need to analyze the mechanism of online auctions and to establish a theoretical research framework based on the business models adopted by successful organizations. While the theoretical and empirical research bases for traditional auctions are well established, current understanding of online auctions is still very limited. A broad conceptual model is developed that can form the basis for future research in online auctions. A review of prior research and use systems theory and empirical analysis is presented to identify the potential antecedents to online auction success. Then dimensions of the input, process, and output factors are discussed to develop the conceptual model. The conceptual model provides an impetus and direction for future research into online auctions, taking advantage of existing tradition but also forming the basis for the development and testing of research hypotheses that will expand the frontiers of knowledge in online auctions. Electronic access The Emerald Research Register for this journal is available at www.emeraldinsight.com/researchregister The current issue and full text archive of this journal is available at www.emeraldinsight.com/1359-8546.htm Supply Chain Management: An International Journal Volume 9 · Number 4 · 2004 · pp. 287-294 q Emerald Group Publishing Limited · ISSN 1359-8546 DOI 10.1108/13598540410550037 Introduction Auctions have long been a popular method for the allocation and procurement of products and services. With the advent of the Internet and the proliferation of Web users, auctions are moving online. Online auctions are also gaining in popularity because they reduce transaction costs for both the suppliers and buyers and, hence, can have a significant impact on the profitability for both the buying and selling firms (Klein, 1997; Van Heck, 1998). The rapid growth of online auctions underscores the need for analyzing the mechanism of online auctions and for establishing a theoretical research framework based on the business models adopted by successful organizations (Mahadevan, 2000). While the theoretical and empirical research bases for traditional auctions are well established (see, for example, EngelbrechtWiggans, 1980), current understanding of online auctions is still very limited (Van Heck, 1998). In this paper, we present a review of prior research. Then we identify the potential antecedents to online auction success within a framework based on systems theory and our work with a multi-national firm analyzing thousands of online auctions. We then discuss dimensions of each of the input, process and output factors and propose a broad conceptual model that can form the basis for future research in online auctions. Prior research Auctions are the preferred methods of commerce for non-standard products or when the true value or market price of the good is uncertain (McAfee and McMillan, 1987). They offer trading opportunities for both buyers and sellers and assure prudent execution of contracts (Turban, 1997). Unlike online auctions, traditional auctions have well-established theoretical and empirical research bases. For example, a framework for traditional auctions has been presented by Engelbrecht-Wiggans (1980) for classifying and describing various auctions and bidding models based on the assumptions made for the various parameters of the models. Several past studies on traditional auctions have also explored the use and importance of models for linking auction theory to real transactions. Rothkopf and Harstad (1994) stress the importance of enriched models in bridging the gap between theory and practice in both competitive bidding and auction design. Furthermore, issues such as predicting the “winner’s curse” when quantity uncertainty exists, time and effort to be 287 A conceptual research framework for analyzing online auctions Supply Chain Management: An International Journal Diane H. Parente et al. Volume 9 · Number 4 · 2004 · 287-294 spent in preparing a bid in a first-price sealed-bid auction, and the problem of determining a revenue-maximizing set of non-bids in simultaneous auctions have been addressed extensively in past research on traditional auctions (see, for example, Lederer, 1994; Pfeifer and Schmidt, 1990; Rothkopf et al., 1998). Traditional auctions, however, have several limitations. These auctions have time and place constraints which limit the participation level of the bidders. Electronic auctions overcome these limitations of traditional auctions, and the Internet provides an infrastructure for conducting these auctions in a cost-effective manner with many more participants (Klein, 1997; Shaw, 1999; Turban, 1997). While the business-to-consumer (B2C) category of online auctions has been the most popular, the business-to-business (B2B) category of online auctions has become a significant model for businesses to auction their products and services to each other (Rupley, 2000). In fact, in 1999 alone, B2B transactions in online auctions totaled $109 billion, and that figure was expected to grow to $2.7 trillion by 2004 (Blackmor, 2000). B2B auctions can benefit both buyers and sellers. For example, the Dow Chemical Company Co., as a seller, uses online auctions to meet new customers. As a buyer, the company routinely saves 2-5 percent, and sometimes as much as 20 percent, on purchases of raw materials and packaging materials needed to make and ship its products (Gaudin, 2000). The majority of the B2B online reverse auctions are supplier-initiated. However, for many large companies that buy thousands of items, it is costeffective to open their own electronic marketplace. Auctions conducted in such buyer-provided marketplaces for the purpose of purchasing goods and services are called reverse auctions. While the buying company can conduct these auctions either through public or private auction sites, it is estimated that 93 percent of B2B e-commerce in the year 2000 was conducted through private sites (Karpinski, 2000). In a reverse auction, suppliers compete for contracts online in real time by lowering the prices as they see bids from other suppliers. This frequently leads to significant cost savings. The navy officials in NAVSUP, for example, estimate a 28.9 percent saving in the purchase price for their components through reverse auctions (NAVSUP, 2000, pp. 31-33). Since 1997, Quaker Oats has realized $8.5 million in savings through online reverse auctions (Brunelli, 2000). Reverse auctions exhibit several unique characteristics. In addition to savings in purchase price, reverse auctions can enable buyers to respond to market fluctuations more quickly, and also save the time that would have been required for the buying company in sourcing individual suppliers (Dash, 2000; Vigoroso, 1999). In a reverse auction, in order to win the contract, suppliers are more committed and involved in the auction process (Karras, 1995). Despite the rapid growth of online auctions, there is a dearth of empirical research on the performance of online auctions and the factors that contribute to their success. Barua et al. (1999) have proposed a four-layer framework to measure the Internet economy as a whole. This framework is comprised of layers of Internet infrastructure, Internet applications, Internet intermediary and Internet commerce. Reiley (2000) conducted a comprehensive survey on Internet auctions, and his research focused on the details of online auction mechanisms and their relationship to the existing body of literature on traditional auction theory. The majority of auctions in Reiley’s survey, however, included auctions targeted towards individual consumers and not the B2B variety of online auctions. Other business models have been proposed for Internet-based e-commerce (see, for example, Parkinson, 1999; Schlacter, 1995; Timmers, 1998). These models, however, were narrow in scope and did not cover all aspects of an Internet-based business. Mahadevan (2000) proposed a framework for defining a business model for the B2B type of business transactions over the Internet. His framework identifies three streams that are critical to a business. Mahadevan (2000) contends that his framework can be adapted to describe specific aspects of an Internet-based business. However, the Mahadevan model is limited in that it does not consider product characteristics, nor does it distinguish successful and unsuccessful auctions. Online auctions are similar to traditional auctions in many respects (Reiley, 2000). From a practical perspective, there are buyers, sellers, transactions and outcomes. A forward auction is typically operated by a seller and has many buyers. In contrast, a reverse auction has one buyer and many sellers. While the dimensions are the same for both forward and reverse auctions, the relative importance of individual components, as well as the relationship between buying and selling firms, may be different. Klein (1997) proposes a framework for online auctions and identifies the probable import of the online aspects of the auction on each phase in the auction process. He discusses his model by focusing on the elements of auctions and how the Internet technology is changing the auction conditions (Klein, 1997). Auctions may be studied from the buyer’s or seller’s perspective or at different levels (i.e. the 288 A conceptual research framework for analyzing online auctions Supply Chain Management: An International Journal Diane H. Parente et al. Volume 9 · Number 4 · 2004 · 287-294 transaction, product or auction level). The auction is the unit of analysis that is the basis of the proposed framework. Each of the components in the model should be analyzed with respect to the difference between traditional and online auctions. dyad as an additional input to the proposed model (Schopler, 1987). Finally, in a traditional exchange, characteristics of the product or products are hypothesized to contribute to the outcome (Ruekert and Walker, 1987), and so, too, must the characteristics of products contribute to online auction outcomes. In the following sections, we develop the dimensions of each factor in the model shown in Figure 1. The result is a research framework suitable for evaluating both forward and reverse auctions in a B2B environment. Conceptual framework One basis for analysis of online auctions may be as straightforward as answering four simple questions: who?, what?, how?, and why?. Who is involved in the auction? Since an auction is an exchange between buyer and seller, it is appropriate to define the input portion of the conceptual model by describing those factors or characteristics of both the suppliers and buyers that may affect the process or the output of the auction. These factors include the attributes of the firms of both buyers and suppliers. Additionally, the dyad or the relationship between buyer and supplier is also a significant factor in the transaction. What is being exchanged (or the product) is also proposed as a major component of the input portion of the conceptual model. Thus, we hypothesize that product characteristics are important in the model. How the exchange or transaction takes place is represented by the “Process” portion of the conceptual model. The characteristics of the auction define the process. Finally, auction success is why two firms choose to take part in a business transaction. Thus a positive effect from each of the participant’s perspectives is clearly the output of the model. Systems theory is a logical basis to explain online auctions. It has been used to explain many phenomena in science, technology and management. According to systems theory, systems are made up of related and interdependent components, including boundaries, outputs, inputs, transformation mechanisms (ways of converting inputs to outputs) and interfaces. Such systems may also interact with their environment (Lederhaus, 1984; Schopler, 1987). In our auction example, as shown, the output component is represented by the auction outcome, while the transformation process is represented by the auction itself. The input components of our auction system are the firms involved in the auction (i.e. buyers and suppliers). It is the characteristics of the firms engaged in both the purchasing and the selling aspects of the B2B transactions that may influence the outcome of an auction. The interfaces between the subsystems are also critically important in the operation of the whole system. We consider the buyer-supplier Outcomes The rationale for participating in any transaction or exchange between two parties is the potential benefit for buyers and suppliers (Lee and Corbitt, 2001). However, the goals of the buyers and sellers are at odds, and must be dealt with concurrently in the transaction process (Lee and Corbitt, 2001). We will simply refer to the outcome of the auction as success. There are several measures of success in auctions. One of these may be either the net increase in price or the net cost savings, depending on whether one uses the seller or buyer perspective. This measure is commonly used in business today (Emiliani and Stec, 2001). Online auctions may also reduce transaction costs (Garicano and Kaplan, 2000; Rindfleisch and Heide, 1997) or search costs (Kwak, 2001; Lynch and Ariely, 2000). Electronic auctions are purported to significantly reduce the total time in which buyers and sellers are engaged in a transaction (Emiliani and Stec, 2001). Total transaction or cycle time includes the process from customer identification through payment for goods or services. Because online auctions may reduce the time associated with identifying customers, evaluating customers, receiving Figure 1 Conceptual framework for the analysis of online auctions 289 A conceptual research framework for analyzing online auctions Supply Chain Management: An International Journal Diane H. Parente et al. Volume 9 · Number 4 · 2004 · 287-294 customer bids, finalizing contracts, shipping product and receiving payment, transaction and search costs can be reduced. Outcomes are often described as the tangible results of the process. While cost savings are important, the concept of satisfied customers is another outcome measure that is well-grounded in the literature and critical to successful businesses (see, for example, Churchill and Surprenant, 1982; Perkins, 1993; Rust and Zahorik, 1993). Thus, customer and/or supplier satisfaction is a possible outcome in the proposed framework. Finally, perceived benefits to the participants are also important. For example, Mahadevan (2000) proposed descriptors of the value stream as auction outcomes. The value stream is simply presented as the worth, either perceived or real, of the business transaction to both the buyer and the seller. While Mahadevan’s focus is on the “selling” relationship such as that employed by Lands End and Dell, identification of the value stream is also appropriate for the “buying” relationship or that employed in the reverse auction process. Whether we are analyzing a forward or a reverse auction, both buyers and suppliers should have benefits that add value and revenue/profit to the organization. While we can presume that the benefits are greater for sellers in a forward auction (and buyers in a reverse auction), we must identify benefits for both in order for the online auction to have any chance of longevity in business (Emiliani, 2000; Lee and Corbitt, 2001). Auction formats and characteristics There are a variety of auction formats and many characteristics that define auctions. These formats and factors are valid for traditional or online auctions. Klein (1997) clusters auctions into four types and identifies the motivations for each type of auction, specifically regarding the determination of price. He suggests that the preferred auction format is a function of the motivation for determining the price. The number of bidders and pattern of bidding is determined by the rules of the auction and its surrounding environment. For example, auctions may be held for either fixed lots or split lots. Potential environmental factors include the type of the good being sold, risk preferences of bidders, the total value of the auction, the number of items included in the auction, and the available information concerning the bidding process. Auction length (in days or minutes) and the auto-extension of the bidding period are additional auction characteristics that may influence auction success. Most auctions are initiated with advanced notice of a specific closing time. The fixed end time poses an incentive problem: the early bid serves no benefit to the bidder but reveals information to rivals. Many auctions with fixed end times are experiencing “sniping” or submission of bids in the final minute of an auction. Late bidding deprives rivals the ability of seeing one’s bid and undercutting it. Late bidding facilitates collusions or interdependent pricing well above that predicted by auction theory. Auction “overtimes” can restore the desirable bidding properties of reverse auctions. An overtime or extension to the auction is invoked if any bidding occurs in a designated final phase of the auction (e.g. bids in the last two minutes). The additional time allows bidders the opportunity to react to “snipers” and minimize the potential for pricing rings. A disadvantage of overtime is that it obligates serious bidders to return to the auction at closing time and remain through subsequent extension periods. The effect on bidder participation has yet to be examined. Finally, the total number of suppliers (Brannman et al., 1987), and the number of invited suppliers or the number of participants may affect the outcome of the auctions. Process In this section, we discuss the types of auctions, bidding formats, and some of the attributes of auctions that may impact the outcome of our auction system. The process portion of Figure 1 is the auction itself. Historically, auctions emerge when competitive prices do not exist (Gora, 1999). Auctions are a transaction format that allows individuals/ organization to sell (or procure) goods and services at the highest (lowest) possible price. While forward auctions feature increasing incremental bidding, reverse auctions feature decreasing incremental bidding. The format lets participants submit bids where the bidder with the most advantageous bid to the firm will win. In the case of a forward auction, the highest price will win. In a reverse auction, the supplier bidding the lowest bid will typically win. In other words, in a reverse auction, prospective buyers can list any items they wish to buy, and then sellers bid to provide the best price. The consumer decides the exact specifications of each item, instead of the specifications being dictated by the seller. Input or environment Input in the auction system consists of the characteristics of both buying and selling firms, the relationship between these firms, and the characteristics of the product involved in the exchange. Input factors are also shown in Figure 1. Whether it is the buying or the selling firm, the characteristics of the firm are still the same. 290 A conceptual research framework for analyzing online auctions Supply Chain Management: An International Journal Diane H. Parente et al. Volume 9 · Number 4 · 2004 · 287-294 However, the characteristics of the buying firm and selling firms will take on differing importance depending on their respective roles in the auction. In this section we will discuss those factors or characteristics of the firm on which we will build the model. Additionally, in this section we will discuss the buyer-supplier dyad, or the relationship characteristics between the buying and the selling firms. success, it is perhaps the interaction between buyer and seller that is most critical. Firm characteristics While both buying and selling firms may have many characteristics that are the same, differing perspectives may elicit different responses. Past research on traditional procurement has identified that factors such as quality, delivery reliability, trust, economic performance, and financial stability are important criteria for selecting suppliers (Choi, 1996; Ellram, 1990; Min, 1994). Although these factors are equally important in an online auction environment, there are additional supplier characteristics that can have a significant influence in the success of online auctions. The information technology (IT) sophistication, the familiarity and the comfort level of the suppliers for conducting business online will have an impact on their participation level in online auctions. In addition, the sourcing practices of the direct supplier, such as the number of downstream suppliers, the degree of channel control and dependence, and the extent of buyer dependency, are all supplier-related criteria that will have significant impact on the participation level and success of an online auction. The firm’s own resources, experience and involvement in e-commerce-related activities can also play an important role in online auction success. The critical buying mass, as well as the resources that large firms have, enable them to invest in development of private online auction sites and perhaps incur more risks and initial losses that cannot be afforded by smaller and less wellcapitalized firms. Since conducting business online through the auction mechanism is a gradual learning process, more experienced firms are likely to be high performers. Another firm characteristic that can influence the company’s involvement and commitment to online auctions is the culture of the organization. The culture of an organization may be defined in practical terms, as simply, “the way things are done” (Denison, 1996; Gordon, 1991; Hatch, 1993; O’Reilly et al., 1991). If familiarity and commitment to e-commerce-related activities pervade the entire organization, there is a higher probability that the firm will be actively involved in online auction mechanisms. While there are many characteristics that are important in both traditional and online auction Dyad or relationship characteristics between buyers and sellers In research in the manufacturing marketing interface, Ruekert and Walker (1987), Kohli and Jaworski (1990), Jaworski and Kohli (1993), Narver and Slater (1990), Parente (1998) and others have identified a number of factors that influence the interaction between manufacturing and marketing. Similar factors are present in the buyer-supplier dyad in a B2B environment. We define two major areas of interest in the buyer-seller relationship: (1) the relationship between the firms; and (2) each firm’s “stake” in the transaction. The “relationship” aspect of the dyad takes on two forms. The first is a factor we call the “dyad delta”. The relationship between buyer and seller in either a forward or a reverse auction will be influenced by the differences, or deltas, between each of two members in the dyads in the auction. In a forward auction, if the seller is significantly larger than the buyer(s), the seller probably has significantly more power in controlling the outcome of the auction transaction. In a reverse auction, a buyer may be the proverbial “500 pound gorilla”. In other words, if a supplier wants to do business with the buyer, he will do so on the buyer’s terms (Emiliani, 2000). The relative influence and power of the two companies may also influence the interaction (Schopler, 1987). The buyer in a forward auction or the supplier in a reverse auction may feel that they have been treated unfairly in negotiating situations. It is even possible that one company may attempt to withhold information or sabotage the efforts of the larger company in order to compete on a more even basis. The interface between buyer and seller may also be affected by physical distance. Companies located in the same city interact differently owing to expanded social and business opportunities. Another “distance” factor may be the degree of information and technology sharing. If both companies have access to an online order system where updates are instantly available, we propose that there will be less difficulty in the interaction. Communication distances are another factor to consider in this environment, and they may be measured by the extent of electronic communications between the two functions, such as electronic mail, voice mail, or electronic data interchange. There are also a variety of operational factors in the dyad that may affect the auction process or the auction outcome. These may include quality and 291 A conceptual research framework for analyzing online auctions Supply Chain Management: An International Journal Diane H. Parente et al. Volume 9 · Number 4 · 2004 · 287-294 delivery reliability experienced by the buyer when purchasing from a specific supplier. Other dimensions of the dyad may include customer service on the part of the selling firm and the longterm relationship potential between the firms. While these “deltas” are not inherently different in an online versus traditional auction, we suggest that the way that the dyad firms deal with them in an online auction may be different. Other dyad characteristics are factors such as the longevity of the relationship and the individual and personal interaction between the buyer and seller. Once again, the relationship between buyer and seller is not different in an online versus traditional auction. However, the impact on an online auction may be very different from a traditional auction. For example, if we conceptualize the dyad relationship on a continuum, a good relationship between buyers and sellers in a dyad will be less likely to influence the outcome of a transaction in an online auction. On the other side of the continuum, a firm that chooses to participate in an auction with no history at all with the principal member of the dyad will be able to compete in the online environment without the significant effort usually necessary in building a relationship. This apparent “hands off” approach could imply a lower importance on the relationship and the supplier development process in the online environment. However, in discussions with several purchasing agents involved in online reverse auctions, they report that they spend more rather than less time in supplier development. Thus, we should treat supplier development as an independent factor separate from the relationship in the proposed framework (Handfield et al., 2000; Krause et al., 1998). The second dyad component, the “stake” that the competing firms have in the outcome, will also affect the auction process and the outcome. “Stake” may be defined as how much a firm has involved in the outcome. As an example, if one of the buying firms in a forward auction uses the product being purchased as a large component of its final product, the buyer may bid more aggressively to ensure supply. In a reverse auction, if one of the competing selling firms is the incumbent supplier and has a large proportion of the business with the buyer, they may choose to “pull out all the stops” to maintain the business (Emiliani, 2000). Referring to Porter’s (1980) Five Forces Industry analysis, the bargaining power of buyers and suppliers is a good framework with which to analyze the stake of the firms involved in the auction. This includes such factors as the importance of industry to suppliers, the criticality of individual materials to industry success, the percentage of the total product, and the number of buyers or suppliers. Product characteristics Finally, a major factor in the input portion of the proposed model is the characteristics of the product being exchanged. A number of researchers have identified product characteristics which affect the manufacturing marketing relationship or, in this example, the outcome of the transaction (Kahn, 1997; Konijnendijk, 1993, 1994; Parente, 1998; Whybark, 1994). However, the challenge in this discussion is to identify the difference in the importance of product characteristics between online and traditional auctions. While the characteristics of the organization may be the same, the product characteristics may cause differing auction dynamics. Klein (1997) suggests that specific auction formats may be better for certain types of products (i.e. auctions as a distribution mechanism for excess inventory such as airline seats or outdated parts). For example, a product that is manufactured in a process environment with limited fixed inventory storage capacity may cause a different interaction between buyers and sellers than a customerdesigned product. We suggest that the degree of customization or, alternately, the notion of make-to-stock (MTS), make-to-order (MTO), and engineered-to-order (ETO) have a significant impact on the outcome of an auction. However, we further suggest that there are other aspects, such as the amount of risk in the production of the product, the dependence of one firm on the product for its livelihood, and the market dynamics that are also contributing factors to the outcome of an auction. We define product risk as the certainty of purchase (in a forward auction) or supply (in a reverse auction) of a product with the specifications desired. The more standard the product, the more likely the buyer gets what he needs in a forward auction. Likewise, the more standard the product, the more likely it is that the buyer is able to develop specifications and have a wider array of suppliers compete for the business. Product dependence is another consideration in the model. The ease with which a customer can switch to a substitute product is important. Note that the definition of substitute products is not one of changing suppliers, but rather one in which a different product might be used. (For example, we may use oil or natural gas for home heating. However, conversion of the furnace system would be necessary.) If the threat of substitute products is high, the relationship between the buying and selling firms might be changed owing to a desire to please the customer. However, if it would be 292 A conceptual research framework for analyzing online auctions Supply Chain Management: An International Journal Diane H. Parente et al. Volume 9 · Number 4 · 2004 · 287-294 difficult for a customer to replace the current product with another, the attitude of the selling firm might be less flexible in customer demands. Market dynamics relate to both the industry structure and the market for the product (Porter, 1980). One major area to consider in the definition of market is the current supply/demand situation. If a product is in short supply and manufacturing rates are high, the selling firm is less likely to be successful with specific customer requests, creating tension in the interface. If one customer leaves, they can be easily replaced by another customer, perhaps even at a higher price. The converse is also true. The environment and dynamics of the auction are likely to be changed owing to the supply/demand situation. In fact, it may be the interaction between the type of product and each of the aforementioned factors that impacts an online auction differentially from a traditional auction. The real-time and online nature of the auctions under discussion may suppress or exacerbate the impact of, for example, the interaction between a product in short supply that is highly customized. The relationship aspect is minimized in this circumstance owing to the ability to do business without being face-to-face. The potential combinations and permutations of the interactions suggest significant opportunities for research on online auctions. interaction between the characteristics of the supplier, the buyer and the auction environment and thereby provides a framework for the development of research questions. This conceptual model can provide an impetus for future research, structuring it along the lines of a traditional interaction between buyers and sellers. Online auctions will be studied incrementally from traditional auctions. Not only will the research build on and take advantage of existing tradition, but it will form the basis for the development and testing of research hypotheses that will expand the frontiers of knowledge in online auctions. Summary of findings and future research directions The next step in the development of this model is to develop hypotheses to be tested for both forward and reverse online auctions. Each of the factors identified in the previous discussion will form the basis for analysis in the study of both forward and reverse auctions. The availability of data in online auctions will allow researchers to adequately test hypotheses in the electronic era – different from the traditional auctions, where limited data was available in both scope and volume. The research framework presented in this paper is unique, as there is no comprehensive theoretical and practical model for analyzing online auctions at present. Although the Mahadevan (2000) model discusses various streams of online auctions, most other models approach the auction process from a limited perspective. 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