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All Journal Jurnal Masharif al-Syariah: Jurnal Ekonomi dan Perbankan Syariah SEIKO : Journal of Management & Business Jurnal Pengabdian kepada Masyarakat Nusantara International Journal of Economics (IJEC) Jurnal Pelayanan dan Pengabdian Masyarakat Indonesia Jurnal Ekbis (Ekonomi & Bisnis) Jurnal Pengabdian Masyarakat Indonesia Sejahtera Dinamika Publik: Jurnal Manajemen dan Administrasi Bisnis IIJSE Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah JER International Journal of Economics, Commerce, and Management International Journal of Economics and Management Sciences
Ugy Soebiantoro
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Other

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Journal : JER

 1 
The Influence of Digital Marketing and E-WOM on Purchasing Decisions for Janji Jiwa Coffee Surabaya City Anggono, Noor Bagas; Ugy Soebiantoro
Jurnal Economic Resource Vol. 8 No. 2 (2025): September - February
Publisher : Fakultas Ekonomi & Bisnis Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57178/jer.v8i2.1441

Abstract

Digitalization and the increasing use of social media in Indonesia have driven significant changes in consumer behavior. Kopi Janji Jiwa as one of the leading coffee shop brands has implemented a digital marketing strategy and utilizes e-WOM, but still faces challenges in terms of lower digital engagement compared to competitors. This study aims to analyze the effect of Digital Marketing and Electronic Word of Mouth (E-WOM) on consumer purchasing decisions at Kopi Janji Jiwa in Surabaya City. The approach used in this research is quantitative with a non-probability sampling method with purposive sampling technique. Data were obtained from 98 respondents who are consumers of Kopi Janji Jiwa, through a questionnaire and analyzed using Partial Least Square-Structural Equation Modeling (PLS-SEM) with the help of SmartPLS. The results showed that Digital Marketing and E-WOM had a significant effect on consumer purchasing decisions. These findings indicate the importance of optimizing digital marketing strategies and managing consumer reviews as a form of e-WOM to improve purchasing decisions.
The Influence of Beauty Influencer Credibility, Live Streaming, and Advertisements on Make Over Purchasing Decisions on the TikTok Application in Surabaya City Devitasari, Shinta; Ugy Soebiantoro
Jurnal Economic Resource Vol. 8 No. 2 (2025): September - February
Publisher : Fakultas Ekonomi & Bisnis Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57178/jer.v8i2.1535

Abstract

The development of digital technology encourages local cosmetic brands, such as Make Over, by utilizing the Tiktok social media platform as a marketing medium. This study aims to analyze the effect of beauty influencer credibility, live streaming, and advertising on Make Over purchasing decisions on the Tiktok application in Surabaya City. The population in this study were Make Over consumers who placed orders through the Tiktok application in Surabaya City, with a sample size of 104 respondents. This study uses a quantitative approach with purposive sampling technique. The analysis technique used is Partial Least Square (PLS) with SmartPLS 3.0. The results of this study indicate that the three independent variables, namely beauty influencer credibility, live streaming, and advertising have a positive and significant effect on purchasing decisions. These findings indicate that interaction and trust-based digital marketing strategies such as those offered by beauty influencers, live streaming, and advertising can increase consumer buying interest in social media platforms.
The Effect of Service Quality and Brand Trust on Customer Satisfaction at PO Manggala Orlando, Gerry Hutama; Ugy Soebiantoro
Jurnal Economic Resource Vol. 8 No. 2 (2025): September - February
Publisher : Fakultas Ekonomi & Bisnis Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57178/jer.v8i2.1631

Abstract

This study will look into how service quality and brand trust affect customer satisfaction at PO Menggala in Surabaya. A quantitative research design was utilized, employing a survey method via an online questionnaire. The study adopted purposive sampling, involving 99 respondents who had previously utilized the services of PO Menggala. Data were analyzed using the Partial Least Squares Structural Equation Modeling (PLS-SEM) technique with the support of SmartPLS software. The findings reveal that both service quality and brand trust exert a positive and significant influence on customer satisfaction. These results suggest that consistent service performance and established brand trust are critical determinants of customer satisfaction. Accordingly, it is recommended that PO Menggala sustain high service quality and reinforce its brand image to foster long-term customer loyalty.
Co-Authors Alfian Dwi Ramadhan Anggono, Noor Bagas Aprilia Isnaini Chairunisya Arde Agung Hidayatulloh Ardiansyah Putra Ariyani Dewi Safitri Aryo Bagus Wicaksono Cantika Eva Dialoka Dani Fajariyatusyarifah Devitasari, Shinta Eva Kharisma Yolandita Manurung Gusti Putu Devandra Yudhistira Lidia Angelina Mochammad Sakti Ramadhana Muhammad Bagus Yoga Hutama Nabila Mahlida Nabila Zafirna Syazwani Nikolas Brian Krisnandi Nurkholish Majid Orlando, Gerry Hutama Shanti Septiana Rachmasari Ubay Husen