Research Question: This paper assesses the effect of environmental concern, self-efficacy, subjective knowledge and guilt on sustainable consumption behaviour. Motivation: This study focuses on predicting and explaining sustainable consumption behaviour by proposing a model comprised of environmental concern, self-efficacy, consumer guilt and subjective knowledge as  predictors. Environmental concern is an important element in VBN theory proposed by Stern (1999). Meanwhile, self-efficacy is part of SCT theory by Bandura (1997); as for subjective knowledge, it is deemed to be a better predictor of environmental behaviour (Kollmuss & Agyeman, 2002). Guilt is included in this model as it is an important emotion that can affect sustainable consumption behaviour, especially in the context of collectivist culture country like Indonesia (Lee et al., 2012). All these factors have been proven to be able to influence sustainable consumer behaviour. However, there are still a few studies that explore these factors altogether simultaneously, especially in the context of a developing country. Thus, this study tries to examine sustainable consumption behaviour by incorporating these factors altogether. Idea: The main idea of this study is to empirically assess the influence of proposed independent variables, namely environmental concern, self-efficacy, subjective knowledge and guilt on sustainable consumption behaviour. This study also tries to assess whether there is a significant difference of sustainable consumption behaviour among demographic groups such as gender, education and age. Data: The model is tested by conducting a survey using a self-administered questionnaire on 200 respondents. The respondents are younger millennials aged between 17-27. The questionnaire consists of questions about demographic profile and about the research instruments. Tools: This study uses descriptive research design and purposive sampling to collect the data. Research hypotheses were tested by multiple regression analysis. Findings: The result of this study shows that environmental concern, self-efficacy and environmental knowledge have an influence on sustainable consumption behaviour, where environmental knowledge contributes the most in predicting the aforementioned behaviour. Meanwhile, this study also finds that consumer guilt has no impact upon this behaviour. Contributions: This study gives additional insight and understanding of sustainable consumption behaviour in the context of millennials in a developing country. The findings of this study can be used by the government to formulate environmental policies as well as for businesses to formulate strategies to promote their environmentally-friendly products.

Entrepreneurship plays a pivotal role in economic growth for Indonesia. Unfortunately, the number of entrepreneurs in Indonesia is still lagging behind other ASEAN countries. The emergence of knowledge-based entrepreneurship makes universities become one of the vital supply sources for creating entrepreneurs. Even though it has institutional support from the Indonesian government, entrepreneurship is still not considered a promising alternative career choice. Therefore, this study aims to analyze the effect of university institutional support (perceived educational support, concept development support, and concept development support) and personal traits variables (self-efficacy and proactive personality) on Indonesian students' entrepreneurial intention. This study was conducted using a judgmental sampling technique on 302 active university students in Indonesia who have received entrepreneurship education. Data analysis in this study was carried out using the PLS-SEM. The findings of this study indicate that perceived educational support directly affects entrepreneurial intention. While, perceived concept development support and perceived business development support positively shape self-efficacy, leading to entrepreneurial intention. This study also confirms self-efficacy and proactive personality as predictors of entrepreneurial intention. Furthermore, the study also shows that self-efficacy mediates the relationship between proactive personality and Indonesian students' intentions to be entrepreneurs.

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The clothing industry is a high-growth industry that is attractive to be occupied by the business. However, behind its appeal, this industry brings harmful impacts to the environment. The fashion industry is considered the 2nd most destructive industry in the world. Environmental damage due to industry occurs not only in the production process but also in consumption and disposal. As the growth of this industry cannot be separated from consumer intervention, efforts to improve the environmental impact caused by this industry also require consumers’ role. Consumers can improve the environment through their consumption choices, such as replacing the usual products with more sustainable products. Therefore, it is essential to discover what factors can encourage consumers to consume more environmentally friendly apparel. This study intends to explore consumer motivation in deciding to buy environmentally friendly apparel by applying the extended theory of planned behavior. As an extension, this study includes two additional variables, namely environmental concern and environmental knowledge. This study involved 407 respondents who have followed some environmentally friendly apparel brands. The collected data would then be analyzed with smartPLS 3.0. The result of the study showed that all variables are proven to be significant in influencing consumers’ purchase intention for environmentally-friendly apparel, except for environmental concern, which influence is indirect through attitude. The result of this study gives new insight into what shapes the intention of buying environmentally-friendly apparel.

Although online shop is small in scale, this type of business gives a significant impact for the economy. In order to support online shop to develop, improvement in delivery and logistic system is needed. One of the improvements in these aspects is the emergence of application-based short-distance delivery services. Unfortunately, these applications have not been widely adapted by the online shops in Indonesia. Thus, this study tries to explore what factors can influence online shops’ decision to use these apps by implementing the unified theory of acceptance and use of technology (UTAUT). This study employed structural equation model to test the model and 5 hypotheses proposed, processed by Lisrel 8.8. The result shows that the ease of use aspect of the apps will only be relevant if it is deemed to be beneficial for the user. Moreover, the cognitive aspect also plays the role, as users tend to compare the acquired benefit with the cost incurred in using the app. As a conclusion, effort expectancy, performance expectancy and price value have a significant influence towards use behavior. On the other hand, social influence is not significantly influencing use behavior. Implications and limitations will also be discussed on this paper.