ASSESSING THE VARIABLES THAT INFLUENCE THE INTENTION OF GREEN PURCHASE Tan Kwe Lu Institute of Energy Policy & Research Universiti Tenaga Nasional tan@uniten.edu.my Nik Fanidautty Nik Ab Majid, Noor Hamisham Harun & Norsalwati Othman College of Business Management & Accounting, Universiti Tenaga Nasional, Pahang, Malaysia fanidautty@uniten.edu.my Hamisham@uniten.edu.my Norsalwati@uniten.edu.my Abstract The paper assesses the variables that influence consumers’ behaviour on the purchase of green products. Specifically the objective of the study is to investigate empirically the factors that significantly contribute the most to the intention to buy green products. Structured questionnaires were administered in various strategic locations in the Klang Valley. Sample subjects were randomly and conveniently selected. These determinants of green purchase were classified into Social Influence, Environmental Attitude, Environmental Concern, Perceived Environmental Problem, Perceived Environmental Responsibility, Perceived Environmental Behaviour, Concern for Self-Image and Role of Government. The coefficient of determination R2 shows that 48.7% of the variance of intention to green purchase is explained by the variance of Social Influence, Environmental Attitude, Environmental Concern, Perceived Environmental Problem, Perceived Environmental Responsibility, Perceived Environmental Behaviour, Concern for SelfImage and Role of Government. Field of Research: Green Purchase, Social Influence, Environmental Attitude, Environmental Concern, Perceived Environmental Problem, Perceived Environmental Responsibility, Perceived Environmental Behaviour, Concern for Self-Image and Role of Government. ------------------------------------------------------------------------------------------------------------------------------------------ 1. Introduction In recent years, an increased awareness about environmental problems has become more important for consumer and producer. Due to increase in the level of consciousness and concern about environmental ICSSR E-JOURNAL OF SOCIAL SCIENCE RESEARCH 2014 Vol. 2 (e-ISSN: 2289-4977). WorldConferences.net Page 1 problem, the producer or businesses attempt to produce products that are more pro-environment or green products. In Malaysia, producers have been given incentives to encourage business to adopt greener practices. However on the consumer side, the government cannot force consumers to choose whether to use the pro-environmental product or not. Understanding consumer acceptance of green products is a very important study and how consumers make their purchasing decision with respect to environmental impact, and how, when and where they buy green products is the focus of green consumerism. Green product can be defined as a product which is sustainable, devoid of use of pesticides, made with recycled material and simple packaging (Ottman, 1998). Therefore, green consumers can be defined as those who focus on the purchase and consumption process especially as it relates to the production process and the disposal of products, as well as their impact on the ecological environment. In general, green consumers can be defined as a person who has preferred to purchase green products and who has tried to reduce the impact of these products on the environment. The objective of this study is to assess if antecedent variables such as social influence, environmental attitude, environment concern, degree of environmental problem, environmental responsibility, government role, and the awareness of green products affect the green buying behaviour among Malaysian consumers. 2. Literature review In this section, we provide an overview of the theoretical factors encouraging and discouraging green consumerism. Our analysis is based on the assumption that consumption of green products (green consumerism) and demands for eco-labelling are two sorts of the so-called ‘green demand’ and have thus the same determinants. The previous study has shown that one of the factors that influence purchase of green product is social influence. When one’s emotions, opinions or behaviours are affected by others, this is what we call social influence. A study by Rios (2006) shows that media is a factor that plays the important role in developing environmental awareness. It also allows consumers to act in accordance to their newfound or heightened sense of concern for the natural environment. Media can therefore play a significant role in building a direct relationship between environmental consciousness, and buying behaviour on green product. Every consumer has an attitude about something. This attitude is composed of beliefs and affect toward an object. Sometimes attitude can be positive or negative toward ambiguity of the object itself. A study conducted by Mostafa (2007) found that environmental attitude towards green consumerism can influence the intentionality of green purchasing. Kitchen and Reiling (2000) concur that there is a positive relationship between environmental attitude and green environmental behaviour. Other countries aside from Malaysia also have discussed on how to implement green consumerism. Hartmann & Apaolaza-Ibanez (2012) analysed three distinct psychological benefit categories that are potentially enhancing consumer attitudes toward green energy brands and increasing purchase intentions: warm glow, self-expressive benefits and nature experiences. The findings confirm the most predicted effects and underline the overall significance of psychological brand benefits. Parkash (2007) found that consumer’s preference to buy goods from less polluting firms is well known, especially in developed ICSSR E-JOURNAL OF SOCIAL SCIENCE RESEARCH 2014 Vol. 2 (e-ISSN: 2289-4977). WorldConferences.net Page 2 countries, and is often revealed through increased willingness-to-pay for goods viewed as "green", that is, those produced with the help of environmentally friendly technologies or with the use of less polluting inputs David (2011) also conducted a study on consumer willingness to pay for appliances produced by Green Power Partners and the results from this study also indicate that consumer demographics and attitudes influence willingness to buy green products. In particular, attitudes toward environmental issues, which were captured in the variables of Effect and Climate, have a positive effect on consumer willingness to pay for green products if the products were manufactured by a participant in the Green Power Partners. Additionally, Follows and Jobber’s (2000) literature review on environmentally responsible purchase behaviour noted that green attitudinal measure is operationalized by incorporating statements concerning several environmental issues. They further noted that there were moderate correlations between general attitudinal measure and multiple-act behaviours, but its intensity increases for general measures and single-act behaviours where respondents were asked to give their opinions based on a specific product. Environmental consequences can be defined as worriedness on how a product will affect the environment such as using more energy in production will result in water or air pollution. An environmental consequence seems to be a specific belief which is largely embedded in cognitive structure and should be considered an opinion rather than an attitude. Empirical studies on environmental consequences show inconclusive results when researchers examine the relationship of people who are gravely concerned with the environment and their likelihood to practice environmentally responsible behaviour. There are studies which found that consumers who are concerned with the environment are more inclined to recycle (Domina and Koch, 2002; Meneses and Palacio, 2005) while others concluded that there are no significant differences among recyclers and nonrecyclers in their attitude towards environmental issues. Krause (1993) indicates that culture, religions and lifestyle, can be a much more significant determinant of environmental consciousness especially choosing goods that will give impact to environmental problems. In a study carried out by Mida (2007) in Canada, the researcher found that half of the sample individuals said that they would be willing to pay 10% more for products that are environmentally friendly. This study’s findings were similar with the study by Dunlap et al. (1992) which showed that 65% of Americans, 59 % of Germans and 31% of Japanese consumers are willing to pay higher price for a product that proves to be environmentally sustainable. Thogersen and Noblet (2012) found that both everyday green behaviour and the acceptance of wind power are rooted in environmental consequences and therefore, everyday green behaviour gives a significant contribution to predict acceptance of wind power when controlling environmental consequences. Albayrak et al. (2012) investigated the influence of environmental consequences and scepticism on green purchase behaviour by utilizing the theory of plan behaviour. The result from the studies shows that those customers who have high level of environmental consequences and less sceptical reflect a positive attitude, have a high positive subjective norm and perceived behavioural control that motivates them to have stronger intentions to become e-invoice subscribers in the near future. ICSSR E-JOURNAL OF SOCIAL SCIENCE RESEARCH 2014 Vol. 2 (e-ISSN: 2289-4977). WorldConferences.net Page 3 One of the factors that influence green purchase intention is how individual identifies or perceives the environment problems. Perception of the environment problems is a process of evaluating and storing information received about environment; it is about perception on the environment. The nature of such perception includes warm feelings for an environment, an ordering of information, and an understanding, however subjective of the environment. The Gallup International Institute conducted an unprecedented international environmental opinion survey in early 1992 to examine possible differences in public perceptions of environmental problems. Results from the survey show that concern over environmental quality is much higher in the richer nations, and that views on the causes and solutions of environmental problems differ dramatically between residents of the rich and poor nations. Meanwhile, perceived environmental behaviour is the verdict of the individual about the approach and the level of the environmental effect of his/her behaviour. The concept of environmental consequences and perceived environmental behaviour is different. Ellen (1991) defined environmental consequences as an attitude that represents a summary evaluation of an individual’s beliefs or feelings about an issue, while perceived environmental behaviour represents an evaluation of the self in the context of the issue. Consuming a given product because of its perceived positive environmental impact (e.g. buying a line-caught sea bass or a tuna with a Dolphin-Safe label) can be described as ecological behaviour. The individual ecological behaviour might be influenced either by moral motivation (e.g. some psychological and moral determinants) or by external motivation (e.g. ecological political constraints). Schlegelmich, Bohlen and Diamantopoulos (1996) and Kang and James (2007), have included environmental behaviour as an attribute of environmental consciousness. They found that environmentally conscious men are more inclined to use environmentally friendly products or greener products. When we explain green consumer behaviour, many factors have been proposed as determinants such as changing consumer value, environmental attitudes, demographic factors such as age, gender, education, and income (Roberts,1996; Diamantopoulos et al. 2003; Schlegelmilch, Bohlen, & Diamantopoulos, 1996), as well as psychographic factors including altruism (Stern, 2000), knowledge of environmental problems and alternative products, perceived personal relevance and the ability of the individual to make an effective contribution (Chan, 2001). Research has also looked at many external influences on green consumer behaviour such as the role of price and quality (D’Souza et al., 2007), eco-labels and consumer beliefs about a firm’s environmental performance (Gulbrandsen, 2006). Many existing theoretical models have been applied and extended to green consumer behaviour as well (Peattie, 2010) including the theory of reasoned action, theory of planned behaviour, Attitude-behaviour-Context model, the Motivation-Opportunity-Ability model, the norm activation theory, and the Value-BeliefNorm model among others Manaktola and Jauhari (2007) explored the factors which influence the consumer attitude and behaviour towards green practices in the lodging industry in India using structured questionnaire. The results show the consumers using hotel services are conscious about environmentally friendly practices in India. They patronize the hotels that have adapted green practices though not compromising on service quality. The consumers would prefer to use lodging that follows these practices but are not willing to pay extra for these services. Indian hotels have the competitive advantage over similar products if they follow green practices. ICSSR E-JOURNAL OF SOCIAL SCIENCE RESEARCH 2014 Vol. 2 (e-ISSN: 2289-4977). WorldConferences.net Page 4 Young et al. (2008) studied green consumption behaviour in UK. They conducted in-depth interview of self-declared green consumer in UK and concluded that the most common of green criteria when purchasing are: 1) product environmental performance in terms of its efficiency and durability, 2) product manufacturing (recycle material, chemical content, repairability, etc.) and 3) second-hand availability. Unfortunately, these criteria were limited to consumer consciousness about product price which is higher than non-green criteria product, and consumer habit toward their trusted brand. Akehurst et al. (2012) re-examined the determinants of ecologically conscious consumer behaviour (ECCB) and explored the determinants of effective green purchase behaviour (GPB) by conducting a quantitative study based on an online survey. The results show that psychographic variables, with emphasis on perceived consumer effectiveness (PCE) and altruism, are more relevant than sociodemographics in explaining ECCB. The consumers with higher ECCB have shown higher green purchase intention (GPI). The results also indicate that perceived consumer effectiveness (PCE) provides the greatest insight into ecologically conscious consumer behaviour. Moisander (2007) elaborated on the motivational complexity of green consumerism using a simple model of motivation as an analytical tool. On the whole, the paper argued that as a private lifestyle project of a single individual, ‘green consumerism’ is much too heavy a responsibility to bear. Therefore, the author joined the growing number of scholars who argued that in environmental policy the focus on individual consumers is limited and thus needs to be problematized. Skinner et al. (2003) found that the ability of local government to selectively implement national and provincial policies in light of local priorities is taken as indicative of the emergence of local agency within local development processes. Furthermore, Evans (2009) focuses on municipal partnership between UK local authorities and local authorities in the developing world for government development initiatives. Based on the above cited theoretical and empirical literatures, the following hypotheses referring to the relationship between among each variable for this current study are presented in the section below. 3. Research Methodology 3.1 Sample Design Data collectors were deployed to various strategic locations in Kuala Lumpur as well as a few suburban areas. Sample subjects were then randomly and conveniently selected to whom the questionnaires were then administered. These sample subjects were the working adults consisting of both executive and non-executive job holders from various areas within the Klang Valley. To ensure maximum cooperation and participation and to provide accurate response, all respondents were assured of anonymity. The working adults were selected because they possess financial ability to invest in unit trust and thus were in better position to provide more accurate information regarding the measurement constructs. A total of 458 usable answered questionnaires/responses were successfully collected. 3.2 Research Instrument ICSSR E-JOURNAL OF SOCIAL SCIENCE RESEARCH 2014 Vol. 2 (e-ISSN: 2289-4977). WorldConferences.net Page 5 This self-administered and structured questionnaire consists of two sections; sections A and B. Section A of the questionnaire consists of demographic and socio-economic profile of the respondents. It consists of gender, race, age, marital status, place of residency, income bracket, types of employment and education level. In section B, the dependent variable is measured by the construct ‘Green Purchase Behaviour’ while there are eight independent variables which measured consumers’ cognitive behaviour by using eight different dimensions and these are ‘social influence’, ‘environmental attitude’, ‘environmental concern’, ‘perceived environmental problem’, ‘perceived environmental responsibility’, ‘perceived environmental behaviour’, ‘concern for self-image’ and ‘role of government’. Each of these dimensions consists of a few items (statements). Each of these statements in the questionnaire was in the form of close-ended question with closed alternatives in the form of seven-point Likert like scale. Each sample subject was asked to indicate their level of agreement to these statements on this sevenpoint Likert-like Scale ranging from (1) ‘Strongly Disagree’ to (7) ‘Strongly Agree’. The questionnaire was in two languages (Bahasa Malaysia and English). Any ambiguities in wordings were edited by linguist expert. The final draft version of the questionnaire consists of six pages including the cover page. 3.3 The Model Dependent Variable Intention to Purchase Green Product Independent Variables Social Influence Environmental Attitude Environmental Concern Perceived Environmental Problem Perceived Environmental Responsibility Perceived Environmental Behaviour Concern for Self-Image Role of Government The model of this study is as follow: Y = β0 + β1 X1 + β2 X2 + β3 X3 + β3 X3 + β4 X4 + β5 X5 + β6 X6+ β7 X7 + εt where Y is the Intention to invest as dependent variable and the independent components are X1 = Social Influence X2 = Environmental Attitude X3 = Environmental Concern X4 = Perceived Environmental Problem X5 = Perceived Environmental Responsibility X6 = Perceived Environmental Behaviour ICSSR E-JOURNAL OF SOCIAL SCIENCE RESEARCH 2014 Vol. 2 (e-ISSN: 2289-4977). WorldConferences.net Page 6 X7 = Concern for Self-Image X8 = Role of Government The following hypotheses were formulated for the study. H1: H2: H3: H4: H5: H6: H7: H8: The Social Influence is significantly related to the intention to purchase green product. The Environmental Attitude is significantly related to the intention to purchase green product. The Environmental Concern is significantly related to the intention to purchase green product. The Perceived Environmental Problem is significantly related to the intention to purchase green product. The Perceived Environmental Responsibility is significantly related to the intention to purchase green product. The Perceived Environmental Behaviour is significantly related to the intention to purchase green product. The Concern for Self-Image is significantly related to the intention to purchase green product. The Role of Government is significantly related to the intention to purchase green product. 3.4 Statistical Procedures The data were run using the SPSS (Statistical Package for Social Science) software. The outputs were first analysed by profiling demographic variables. Regression is used to measure the relationships among the eight independent variables and the dependent variable. All statements under each variable were reliably tested using Cronbach Alpha score. 4. Output Analysis 4.1 Respondents’ Demographic Profile From Table 1, the sample was comprised of 49.1% male and 50.9% female. About 29.5% of the respondents were between the ages of 20-29, followed by the age group of 30-39, 40-49 and above 50 years old, which accounted for approximately 32.3%, 18.6% and 19.7%, respectively. Comparing between residential areas of the respondents, approximately 55.7% of the respondents were living at urban area and 44.3% living at suburban area. The respondents came from various education levels where 34.1% of respondents have degree and 31.2% have a diploma meanwhile PHD/Master holder and secondary school level are 4.6% and 29.9%, respectively. With regard to income classification, 34.7% of them have income between RM1,000 to RM2,000 per month, 44.3% the respondents have income ICSSR E-JOURNAL OF SOCIAL SCIENCE RESEARCH 2014 Vol. 2 (e-ISSN: 2289-4977). WorldConferences.net Page 7 between RM2,001 to RM5,00 per month while only 4.1% of them have income less than RM1000 per month. Table 1: Profile of Respondents Profile Categories Gender Male Female 4.2 Frequency 225 233 Percentage 49.1 50.9 Age 20-29 years 30-39 40-49 >50 years old 135 148 85 90 29.5 32.3 18.6 19.7 Residential Area Urban suburban 255 203 55.7 44.3 Marital Status Single Married Divorced 112 339 7 24.5 74.0 1.5 Level of Education Post graduate Degree Diploma Secondary School Primary School 21 156 143 147 1 4.6 34.1 31.2 29.9 0.2 Monthly Income Below RM1,000 RM1,000 to RM2,000 RM2,001 to RM5,000 Above RM5,000 19 159 203 77 4.1 34.7 44.3 16.8 Reliability Test Table 2 shows the reliability coefficients of the main variables of the study. All the 8 variables have the value of higher than 0.7 except for the variables of ‘attitude’, ‘Environmental Behaviour’ and ‘Role of Government” which show moderate values of 0.559, 0.572 and 0.560 respectively and this shows that the reliability among items was consistent with the argument that the scale is reliable if alpha value is between 0.6 to 0.7 (Hair, 2006).Thus, it serves as a reliable foundation for further testing and subsequent analysis. ICSSR E-JOURNAL OF SOCIAL SCIENCE RESEARCH 2014 Vol. 2 (e-ISSN: 2289-4977). WorldConferences.net Page 8 Table 2: Inter-Items Cronbach Alpha Dimension No. of Items Cronbach Alpha Intention 4 0.849 Social 4 0.868 Attitude 5 0.559 Concern 3 0.702 Environment 4 0.833 Problem Responsibility 5 0.646 Behaviour 4 0.5.72 Self-image 3 0.805 Government 4 0.560 General Cronbach Alpha: 0.833 4.3 Regression result Table 3: Standardized (simultaneous) Regression between Intention to Invest and the measurement variables Dependent variable Intention to Purchase Green Sig. Independent variables β t Social 0.126* 3.475 0.001 Attitude -0.056 -1.403 0.161 Concern 0.267* 5.841 0.000 0.005 Environ-Problem -0.114* -2.850 Responsibility 0.239* 5.442 0.000 0.245 Behaviour -0.050 -1.165 Self-Image 0.247* 5.673 0.000 0.000 Government 0.214* 4.892 Notes: The regression coefficients shown in the table are standardized regression coefficients (beta coefficients), and the value in the parentheses of the table is the t-statistic. *, indicates that the estimated coefficient is significant different from zero at 1 percent. R= 0.698 R2 = 0.487 F-Value = 53.177 (P<0.01) DW = 1.938 The general results for the linear multiple regression analysis of intentional behaviour to purchase green products arising from social influence, environmental attitude, environmental concern, perceived ICSSR E-JOURNAL OF SOCIAL SCIENCE RESEARCH 2014 Vol. 2 (e-ISSN: 2289-4977). WorldConferences.net Page 9 seriousness of environmental problem, perceived environmental responsibility, environmental behaviour, concern for self-image in environmental protection and the role of government are reported in Table 5. Multicollinearity test of the eight independent variables (social, attitude, concern, environmental problem, environmental responsibility, environmental behaviour, self-image and governmental role) has been done. Using a cut-off value of VIF less than 5 (VIF for social = 1.141, VIF for attitude = 1.410, VIF for concern = 1.821, VIF for environment problem = 1.406, VIF for environment responsibility = 1.685, VIF for environment behaviour = 1.635, VIF for self-image in environmental protection = 1.654 and government’s role = 1.676 respectively), no multicollinearity among the variables is found. The coefficient of determination R2 shows that 48.87% of the variance of intention to purchase green is explained by the variance of social influence, attitude, concern, environmental problem, environmental responsibility, environmental behaviour, self-image and governmental role. The F-value is statistically significant at the 1% level implying that the regression model is reliable for prediction. The estimated coefficient of correlation (R = 0.698) shows a relatively high linear correlation between the independent and dependent variables. The regression result shows that social influence has positive effect on intention to purchase green as the estimated coefficient is 0.126 with the confidence level of 99%. In other words, an increase in social influence by 1% would cause the intention to purchase green to increase by 0.126%. The environmental concern also has positive association with the consumer’s intention to purchase green products as the estimated coefficient is 0.267 and significant at 1% level inferring that when environmental concern increases 1%, the intention to purchase green would increase 0.267%. Other variables that have association with the consumer’s intention to purchase green product are environmental responsibility, perceived self-image and role of government where their relationship coefficients are 0.239, 0.247 and 0.214 respectively. Perceived effectiveness of behaviour and the environmental attitude were however negatively not significant with intention to purchase green product. 5.0 Conclusion In the overall sample, the general linear regression result indicates that the dimension of ‘social influence’, ‘Environmental Concern’, ‘Environmental Responsibility’, ‘Perceived Seriousness of Environmental Responsibility’ and ‘Role of Government’ were by far the strongest and positive predictors of green purchase intentionality. Another variable that has shown association with intention to purchase green is ‘Perceived Seriousness of Environmental Problems’. However, it is negatively and ICSSR E-JOURNAL OF SOCIAL SCIENCE RESEARCH 2014 Vol. 2 (e-ISSN: 2289-4977). WorldConferences.net Page 10 statistically significant. Based on this regression result, H1, H3, H4, H5, H7, and H8 are significantly related to the intention to purchase green products. Although the finding is significant for green purchase intention, there are a few limitations in our research. First, in terms of population demographic, the research was conducted in an urban area rather than rural area. This potential drawback in terms of limitation is the coverage of a few focus areas and the result could be bias at certain point. In terms of future research, our findings here highlighted the cognitive behaviours that influence the consumers’ intention to purchase green products e.g. social influence, concern, environmental problem, environmental responsibility, self-image and governmental role. However, a longitudinal exploration of the relationships identified here might be helped/aided/facilitated/influenced by external factors. An examination of sensitivity of external factors such as macroeconomic conditions will definitely affect the consumer’s intention to purchase green. 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