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Muji Rahayu
Sekolah Tinggi Ilmu Ekonomi STAN IM, Bandung, Indonesia
Economics, Econometrics & Finance

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The Impact of Social Media Marketing and Endorsement on Purchasing Decisions at Daarul Jannah Cottage Caca Komara; Muji Rahayu
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.v8i2.7004

Abstract

The central aim of this study is to analyze social media marketing (SMM) and the use of endorsements influence purchasing decisions at Cottage Daarul Jannah, a sharia-based accommodation. Using a purposive sampling technique, 50 customers were selected as respondents, and data were obtained through questionnaires measuring aspects of SMM, endorsement, and purchase decision. The findings revealed that both variables influence purchasing decisions, positively and significantly, both individually and simultaneously. The findings suggest that the implementation of digital marketing strategies through social media, as well as the use of endorsements from influencers, can increase customer interest and strengthen their decision to make a purchase. Therefore, the optimization of digital marketing strategies has the potential to be a crucial element in improving competitiveness and building customer loyalty in the hospitality industry.
The Influence of Leadership Style and Work Motivation on Employee Performance at Mutiara Cikutra Main Clinic Atika Endras Yuspitasari; Muji Rahayu
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.v9i1.9019

Abstract

This study aims to examine the influence of leadership style and work motivation on employee performance. The research population consists of employees of Klinik Utama Mutiara Bandung. A quantitative associative approach was employed to measure the relationships and effects among variables numerically. The sample included 50 respondents, determined using the Slovin formula with a 5 percent margin of error, comprising medical staff, paramedics, and administrative personnel. The research instrument was a questionnaire based on a five-point Likert scale, developed using indicators derived from relevant literature. Data were analyzed with SPSS software through descriptive statistics, validity and reliability testing, and simple linear regression analysis. The results revealed that, partially, leadership style had no significant effect on employee performance, while work motivation showed a positive and significant impact. However, when tested simultaneously, leadership style and work motivation together demonstrated a significant influence on performance. These findings indicate that effective leadership combined with high motivation can enhance employee performance within Klinik Utama Mutiara Bandung.
Pengaruh Gaya Kepemimpinan Dan Quiet Quitting Terhadap Kinerja Karyawan Rumah Sakit Dan Klinik Pindad Bandung Ridwan Juliansyah Resiana; Muji Rahayu
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 9 No 2 (2026): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v9i2.9400

Abstract

This study aims to examine how leadership style and the phenomenon of quiet quitting contribute to employee performance levels. The subjects of this research consist of all non-medical staff working at the Pindad Clinic and Hospital in Bandung. This study was initiated due to a substantial gap identified in previous research, namely the absence of studies specifically examining quiet quitting among non-medical personnel in Indonesia’s healthcare sector, as well as the limited empirical evidence on how perceptions of leadership shape psychological withdrawal tendencies within this work environment. This study applied a descriptive quantitative method by distributing surveys to a total of 107 participants drawn from a population of 146 non-medical employees. The measurement of the instrument employed a Likert scale consisting of five response options, and statistical analysis was conducted using SPSS with linear regression to assess direct relationships among the variables. The results of Hypothesis 1 reveal that leadership style positively affects performance, but the effect does not reach statistical significance. Meanwhile, the analysis of Hypothesis 2 confirms that quiet quitting exerts a significant negative effect on performance, where decreased quiet quitting behavior is associated with enhanced employee performance.
Work Productivity and Digital Fatigue as Determinants of Production Employee Performance in the Pharmaceutical Industry Lucky Agusman Wihana; Muji Rahayu
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 9 No 2 (2026): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v9i2.9575

Abstract

The rapid advancement of digital technology has intensified the use of digital devices in daily work processes, including production activities within the pharmaceutical industry. This condition often leads to digital fatigue, which subsequently reduces employees’ work effectiveness. At the same time, work productivity remains a crucial factor in meeting operational standards and ensuring the quality of a company’s output. This study aims to analyze the influence of work productivity and digital fatigue on the performance of production employees at PT Otto Pharmaceutical. This research employed a quantitative approach with an explanatory design. Data were collected using questionnaires distributed to employees through a probability random sampling technique. A total of 135 respondents were analyzed using IBM SPSS Statistics through validity testing, reliability testing, and linear regression analysis. The findings indicate that work productivity has a positive and significant effect on employee performance. Digital fatigue also shows a significant influence, contributing to the decline in performance. Simultaneously, both variables demonstrate a significant contribution to the performance of production employees. These findings suggest that higher levels of employee productivity lead to improved performance, whereas increasing digital fatigue tends to decrease work outcomes. The study provides practical implications for organizational management, particularly in regulating digital workloads, optimizing technology-based work systems, and creating a work environment that minimizes digital fatigue. This research also strengthens empirical evidence regarding the role of productivity and digital fatigue in shaping employee performance within the pharmaceutical industry in the era of digital transformation.
The Effect of Service Quality and Customer Satisfaction on Customer Loyalty in the Banking Sector Delia Siti Nurhalizah; Muji Rahayu
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 9 No 2 (2026): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v9i2.9583

Abstract

This study aims to examine the effect of service quality and customer satisfaction on customer loyalty at Bank Tabungan Negara (BTN) Rancaekek. The study is motivated by the increasingly intense competition in the banking industry and the rising expectations of customers for fast reliable and professional services particularly in peri urban areas experiencing rapid economic growth. The research gap lies in the persistence of inconsistent empirical findings regarding the role of service quality and customer satisfaction in shaping customer loyalty especially within the context of regional banking institutions. This study employs a descriptive quantitative approach using a survey method. The research subjects consist of active customers of BTN Rancaekek who have used the bank’s services for at least six months. The population was selected using purposive sampling while the sample was determined through probability random sampling with a total of 122 respondents. Data were collected through a questionnaire distributed using a five point Likert scale and analyzed using SPSS through validity and reliability tests linear regression analysis and both partial and simultaneous hypothesis testing. The results indicate that partially service quality has a positive and significant effect on customer loyalty. Similarly customer satisfaction is proven to have a positive and significant effect on customer loyalty although with a relatively smaller contribution. Simultaneously service quality and customer satisfaction are shown to have a significant influence on customer loyalty. These findings confirm that improving service quality accompanied by the creation of customer satisfaction is a key factor in building and sustaining customer loyalty.
Co-Authors Atika Endras Yuspitasari Caca Komara Delia Siti Nurhalizah Lucky Agusman Wihana Ridwan Juliansyah Resiana