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All Journal Journal of Social And Economics Research PENG: Jurnal Ekonomi dan Manajemen journal of social and economic research
Anastasya Salsabila Alika Putri
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Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Law, Crime, Criminology & Criminal Justice Social Sciences

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Analisis Pelanggaran Etika dan Hukum Bisnis dalam Perdagangan Pakaian Bekas Impor Ilegal Anastasya Salsabila Alika Putri; Halimah Zahrah; Azmi Aufal Marom; Shahnaz Rahmadina Nurhidayat
PENG: Jurnal Ekonomi dan Manajemen Vol. 2 No. 4 (2025): November: Humanities, Economic and Social Issues
Publisher : Teewan Journal Solutions

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62710/we90n230

Abstract

This research aims to analyze ethical and legal violations in the trade of illegal imported second-hand clothing in Indonesia, which involves practices that harm consumers and the local industry. This research uses a literature study method by reviewing 16 national journals related to business ethics, business law, and their impact on society and the economy. The research results show that ethical and legal violations occur in the form of lack of transparency, brand counterfeiting, tax evasion, and negative impacts on the local textile market. The recommendations provided include the need for strengthening law enforcement, stricter regulations, and education for the public and business actors to combat these illegal practices
INTEGRATION OF LINEAR PROGRAMMING AND QUEUEING MODELS (M/M/s) IN THE OPERATIONAL OPTIMIZATION OF NONGKIBAR CAFE, BANDUNG Ivonne Ayesha; Rhiza Villani; Hoerul Dwi Natya Fauzan; Mugni Nurul Ilmi; Annisa Desfia Nur Fadilah; Anastasya Salsabila Alika Putri; Neng Lisda Sa’adah; M. Fariel Syima
Journal of Social and Economics Research Vol 7 No 2 (2025): JSER, December 2025
Publisher : Ikatan Dosen Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/jser.v7i2.1413

Abstract

This study aims to optimize the operations of Kedai Kopi Nongkibar Bandung using an operations research approach, focusing on production and service during peak hours. The methods employed include Linear Programming (LP) to determine the optimal production combination of three main menu items (Kopi Lemon, Blue Hawaiian, and Nasi Goreng Yang Zhou) and M/M/s queuing model analysis to evaluate service system performance. Data were collected through direct observation, interviews, and operational documentation, including production time per menu, equipment capacity, workforce allocation, and customer arrival patterns. The LP results indicate an optimal production combination of X₁=75 cups of Kopi Lemon, X₂=45 cups of Blue Hawaiian, and X₃=100 portions of Nasi Goreng Yang Zhou, achieving a maximum daily profit of IDR 4,420,190. Sensitivity analysis reveals that the main constraint is the physical production capacity of each menu, rather than barista working hours. Increasing barista hours without expanding production capacity does not effectively enhance profit. Queuing model analysis shows that the optimal scenario is achieved with four baristas during peak hours, reducing customer waiting time to under two minutes. Implementing barista specialization according to menu complexity effectively minimizes bottlenecks, accelerates service, and improves operational efficiency. These findings provide a quantitative basis for cafe managers to design resource allocation and menu production priorities, highlighting the importance of integrating production capacity planning and workforce management to enhance operational performance and customer satisfaction.
INTEGRATION OF LINEAR PROGRAMMING AND QUEUEING MODELS (M/M/s) IN THE OPERATIONAL OPTIMIZATION OF NONGKIBAR CAFE, BANDUNG Ivonne Ayesha; Rhiza Villani; Hoerul Dwi Natya Fauzan; Mugni Nurul Ilmi; Annisa Desfia Nur Fadilah; Anastasya Salsabila Alika Putri; Neng Lisda Sa’adah; M. Fariel Syima
Journal of Social and Economics Research Vol 7 No 2 (2025): JSER, December 2025
Publisher : Ikatan Dosen Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/jser.v7i2.1413

Abstract

This study aims to optimize the operations of Kedai Kopi Nongkibar Bandung using an operations research approach, focusing on production and service during peak hours. The methods employed include Linear Programming (LP) to determine the optimal production combination of three main menu items (Kopi Lemon, Blue Hawaiian, and Nasi Goreng Yang Zhou) and M/M/s queuing model analysis to evaluate service system performance. Data were collected through direct observation, interviews, and operational documentation, including production time per menu, equipment capacity, workforce allocation, and customer arrival patterns. The LP results indicate an optimal production combination of X₁=75 cups of Kopi Lemon, X₂=45 cups of Blue Hawaiian, and X₃=100 portions of Nasi Goreng Yang Zhou, achieving a maximum daily profit of IDR 4,420,190. Sensitivity analysis reveals that the main constraint is the physical production capacity of each menu, rather than barista working hours. Increasing barista hours without expanding production capacity does not effectively enhance profit. Queuing model analysis shows that the optimal scenario is achieved with four baristas during peak hours, reducing customer waiting time to under two minutes. Implementing barista specialization according to menu complexity effectively minimizes bottlenecks, accelerates service, and improves operational efficiency. These findings provide a quantitative basis for cafe managers to design resource allocation and menu production priorities, highlighting the importance of integrating production capacity planning and workforce management to enhance operational performance and customer satisfaction.
Co-Authors Annisa Desfia Nur Fadilah Azmi Aufal Marom Halimah Zahrah Hoerul Dwi Natya Fauzan Ivonne Ayesha M. Fariel Syima Mugni Nurul Ilmi Neng Lisda Sa’adah Rhiza Villani Shahnaz Rahmadina Nurhidayat