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Effectiveness of Green Trust as a Mediating Variable in Extending TPB Theory to Electrical Automotive Adoption in Indonesia Abi Yusuf Nur Asida; Rini Kuswati; Muhammad Sholahuddin
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 1 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i1.5905

This research aims to analyze the effectiveness of Green Trust as a mediating variable in expanding the TPB theory for the adoption of electric vehicles in Indonesia. The study method used is a quantitative method. Sampling in this study used a non-probability sampling technique with a purposive sampling method, where researchers deliberately selected respondents who were considered relevant for research purposes. Data was collected through questionnaires to all Indonesian people who have the intention to adopt automotive electrical. The data collection process was carried out through the use of a questionnaire with a Likert scale. The total number of respondents involved in this study was 425 respondents. The data analysis technique used in this study is the SEM PLS method, which consists of outer model and inner model analysis, with the help of SMARTPLS 4.0 software. The research results show that extensions of the TPB theory such as Attitude, Subjective Norm, and PBC variables have an effect on electrical automotive adoption, but green trust does not mediate the relationship between attitude and subjective norm towards adoption (EAV). This research provides valuable recommendations to increase the widespread adoption of electric automobiles in Indonesia.

Is Truly Trustworthiness of Celebrity Endorsement Effect on Online Purchase Intention: A Study on Online Travel Agency Customers Syanda Cicit Daradinanti; Rini Kuswati
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 2 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i2.6486

This study aims to analyze whether the trustworthiness of celebrities used in endorsements affects online purchase intentions at Online Travel Agencies. In today's digital era, the use of celebrities as endorsers is a common marketing strategy, but its effectiveness in the context of Online Travel Agencies still needs to be studied more deeply. This study empirically examines the effect of celebrity trustworthiness on purchase intentions through an Online Travel Agency, taking into account other factors such as information usefulness, information adoption, attractiveness, and expertise. The research methodology uses quantitative, this study collects data from online travel agency customers through surveys with questionnaires distributed online to consumers who have used or plan to buy Online Travel Agency products. Data analysis was carried out using Smart PLS (PLS-SEM) to test the research hypothesis. The results of the study are expected to provide valuable insights for Online Travel Agency marketers in designing effective endorsement strategies, as well as contribute to the development of marketing theory related to celebrity endorsement and consumer behavior in the context of e-commerce, especially the travel industry.

Online Impulse Buying: The Application of Srimulus-Organism-Response Model Azzahra Anandita Prasetya; Rini Kuswati
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 2 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i2.6487

This study investigates the application of the Stimulus-Organism-Response (S-O-R) model to understand how social media marketing influences online impulse buying among Generation Z fashion consumers. Social media marketing activities, including interaction, entertainment, trendiness, word-of-mouth, and personalization, are considered as the stimulus, while impulse buying intention is the dependent variable. Brand resonance and emotional response serve as mediators and social network proneness acts as a moderator. Data was collected through online questionnaires to ensure reliability and consistency. The analysis was performed using Partial Least Squares Structural Equation Modeling (PLS-SEM) via SmartPLS, which validated the measurement and structural relationships. The results reveal that while social media marketing activities influence emotional responses and brand resonance, these factors alone do not directly drive impulse buying. Instead, emotional responses, particularly positive emotions, have a stronger impact on impulse buying intentions. Social network proneness also plays a role in making consumers more responsive to recommendations, though it does not mediate the relationship between marketing activities and purchase intentions. The study highlights the complexity of online impulse buying behavior, with emotional and situational factors being crucial drivers. Limitations include a sample focused on a specific demographic in the fashion industry, which may affect generalizability. Future research should explore generational differences, psychological motivations, and the impact of technology and visual content, as well as investigate other moderators influencing impulse buying behavior.

The Impact of Personality Traits on Gen Z’s Intentions to Buy Eco-Friendly Products in Surakarta Ilyas Alfida' Abdillah; Rini Kuswati
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 2 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i2.6522

This study explores the factors influencing the purchase intention of environmentally friendly products among Generation Z in Surakarta, Indonesia. Utilizing the Theory of Planned Behavior framework, the research examines the roles of environmental attitudes, environmental awareness, trust, and green self-identity in shaping purchase intentions. Data were collected from 384 respondents via an online survey and analyzed using SmartPLS. The findings reveal that positive attitudes, awareness, and trust in environmentally friendly products significantly affect purchase intentions. However, green self-identity does not exhibit a significant impact. These results underscore the importance of educational campaigns that foster positive attitudes and consumer trust in sustainability claims. The study contributes to consumer behavior literature and provides strategic insights for businesses to address the growing environmentally conscious market. Future research is recommended to incorporate additional variables, expand geographic coverage, and employ qualitative approaches to gain a deeper understanding of purchase behavior dynamics.

Brand Awareness, Social Media Marketing, and Purchase Intent: Does Credibility Mediate the Impact? Larasati Larasati; Wiyadi Wiyadi; Rini Kuswati; Edy Purwo Saputro
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 2 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i2.6571

This study investigates the impact of social media marketing and brand awareness on purchase intention with influencer credibility as a mediating variable. Quantitative methodologies were implemented during the investigation. All FEB UMS students comprised the population of this study. This study focused on 170 respondents through a questionnaire survey, thus collecting primary data. This study used structural equation modeling in data analysis testing. The results show that social media marketing influences purchase intention. In addition, purchase intention is heavily influenced by brand awareness. Influencer credibility is influenced by social media marketing. Influencer credibility benefits greatly from brand awareness. Purchase intention is influenced by influencer credibility. Influencer credibility does not influence social media marketing on purchase intention. Influencer credibility helps moderate the influence of brand awareness on purchase intention.

Antecedents of Electric Vehicle Adoption Intention in Indonesia: Insights into Willingness to Pay, Environmental Awareness, and Environmental Cognitions Syelbi Huriyah Baradja; Rini Kuswati
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 9 No 1 (2026): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v9i1.8993

The purpose of this study is to analyze the insights into willingness to pay and environmental factors of attitude-intention on electric vehicle adoption in Indonesia. This research used a quantitative research method in the form of a survey using a purposive sampling technique applied to 220 respondents who planned to use electric vehicles. We used Multivariate Data Analysis, as the Partial Least Squares Structural Equation Modeling (PLS-SEM) method, to analyse the data through SmartPLS Version 4.0. The findings showed that: willingness to pay positively and significantly affects the intention to adopt electric cars; environmental awareness positively but insignificantly affects the intention to adopt electric cars. Environmental cognition negatively influences intention to adopt electric vehicles.In addition, willingness to pay has a significant positive effect on perceived value, while environmental awareness has a negative and insignificant effect, and environmental cognition produces the same results. This study shows that perceived value has a significant positive effect on the intention to adopt electric vehicles and mediates the relationship between willingness to pay and environmental cognition in the intention to adopt. Overall, the data confirms that willingness to pay and environmental awareness reinforced by "perceived value" are significant factors in increasing the intention of Indonesian people to use electric cars.

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