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All Journal Jurnal Teknoin Research Report - Engineering Science Jurnal Rekayasa Sistem Industri Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri International Journal of Economics, Business and Accounting Research (IJEBAR)
Yogi Yusuf Wibisono
Jurusan Teknik Industri, Fakultas Teknologi Industri Universitas Katolik Parahyangan, Bandung
Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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ANALISIS CUSTOMER LIFETIME VALUE TERHADAP WHOLESALE CUSTOMER PERUSAHAAN TELEKOMUNIKASI DENGAN MEMPERHITUNGKAN RISIKO POTENSI LABA Fransiscus Rian Pratikto; Yogi Yusuf Wibisono
Research Report - Engineering Science Vol. 1 (2012)
Publisher : Universitas Katolik Parahyangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1313.398 KB)

Abstract

Pendekatan holistic marketing, di mana 2 komponen di antaranya adalah relationship marketing danperformance marketing, menekankan pentingnya menjaga hubungan jangka panjang dengankonsumen dan membuat setiap keputusan terkait dengan hubungan tersebut akuntabel. CustomerLifetime Value (CLV) merupakan salah satu pendekatan untuk mengkuantifikasi proyeksi laba yangdiperoleh perusahaan dari setiap konsumennya. Nilai CLV bisa menjadi justifikasi bagi keputusaninvestasi pemasaran perusahaan.Bisnis wholesale dalam telekomunikasi melayani konsumen yang masuk dalam kategori OLO (OtherLicensed Operator). Konsumen OLO membeli produk dan layanan untuk dijual kembali padakonsumen retail.Biasanya, pembelian dilakukan berdasarkan suatu kontrak untuk periode 1 tahunatau lebih. Dalam penelitian ini, produk wholesale dikategorikan ke dalam 4 streamyaituinterkoneksi, jasa jaringan, multimedia, danvalue added service (VAS).Selama ini penerapan CLV biasanya menggunakan discount rate yang sama untuk semua konsumen,padahal setiap proyeksi aliran laba dari setiap konsumen mengandung risiko yang berbeda-beda,sesuai dengan kondisi setiap konsumen.Dalam penelitian ini dikembangkan model untuk memasukkan aspek risiko dalam perhitungan CLV.Risiko akan berpengaruh pada discount rate, dan dipengaruhi oleh berbagai macam aspek, yangdikelompokkan dalam 2 kategori besar yaitu aspek internal konsumen dan aspek hubungan strategisantara konsumen dengan perusahaan. Studi kasus dilakukan pada konsumen wholesale dari salahsatu perusahaan telekomunikasi terbesar di Indonesia.
ANALISIS TINGKAT KEPENTINGAN DAN PERFORMANSI LAYANAN PENDIDIKAN TINGGI DI TEKNIK INDUSTRI – UNPAR Yogi Yusuf Wibisono; Hotna M. R Sitorus
Research Report - Engineering Science Vol. 1 (2012)
Publisher : Universitas Katolik Parahyangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1653.826 KB)

Abstract

Perbaikan secara berkesinambungan harus selalu dilakukan oleh organisasi apapun, termasuk institusi pendidikan agar dapat bertahan dan berkembang dalam persaingan yang sangat ketat. Teknik Industri sebagai salah satu program studi yang ada di Unpar juga menghadapi situasi persaingan dalam merebut calon mahasiswa yang semakin ketat. Adanya stagnansi peminat yang mendaftar ke Teknik Industri Unpar harus diwaspadai oleh pengelola program studi. Upaya-upaya kreatif untuk meningkatkan jumlah peminat harus terus dipikirkan tidak hanya sekedar melalui promosi-promosi tetapi juga dengan upaya jangka panjang seperti membangun reputasi yang baik di mata masyarakat. Reputasi dapat dicapai dengan penyampaian mutu yang tinggi kepada konsumennya. Saat ini di mata mahasiswa sebagai konsumen utama Program Studi Teknik Industri, mutu layanan yang disampaikan TI masih belum sempurna. Oleh karena itu perbaikan terhadap mutu layanan menjadi sangat krusial. Hampir tidak mungkin semua perbaikan dilakukan dalam waktu yang bersamaan. Banyak kendala antara lain yang utama adalah dana menuntut organisasi termasuk TI-Unpar untuk melakukan prioritas perbaikan. Dalam penelitian ini, prioritas perbaikan disusun dengan melihat dampak perbaikan terhadap kepuasan mahasiswa sehingga sumber daya yang dimiliki dapat dimanfaatkan secara efisien dan efektif.
USAHA PENURUNAN PERSENTASE CACAT RING PISTON TIPE 4JA1 PADA PROSES HABANAKASHI MESIN BESLY E.V. Yuliana Wibisono; Y.M Kinley Aritonang; Yogi Tusuf Wibisono
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 9 No. 1 (2007): JUNE 2007
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (53.015 KB) | DOI: 10.9744/jti.9.1.48-55

Abstract

One of the programs that can be used to improve the quality is Six Sigma program using DMAIC method. The research is performed at PT Baninusa Indonesia (PT. BN) producing the 2nd type of 4JA1 piston ring. The program is implemented to decrease the defect proportion The production process performance and the problem priority are known from the CTQ itself. The fish bone diagram is used to determine the causes of the problem. The improvement is performed by determination of the best process parameter through the fullfactorial experiment design. The result is significantly decrease defect proportion by 2.682%. Abstract in Bahasa Indonesia : Salah satu program peningkatan kualitas yang dapat mengakomodasi tuntutan peningkatan kualitas adalah program Six Sigma dengan menggunakan metode DMAIC. Penelitian dilakukan pada PT.Baninusa Indonesia (PT.BN), salah satu perusahaan yang memproduksi produk ring piston tipe 4JA1 jenis 2nd ring. Program digunakan untuk menurunkan persentase cacat produk. Dari CTQ yang ada dapat diketahui kinerja proses produksi saat ini dan prioritas permasalahan. Fish bone diagram digunakan untuk akar penyebab masalah Tindakan perbaikan yang dipilih adalah menentukan parameter proses terbaik dengan menggunakan metode eksperimen full factorial. Hasil penerapan parameter proses tersebut menunjukkan pengurangan yang signifikan terhadap persentase cacat sebesar 2,682%. Kata kunci: metoda six sigma, DMAIC, perbaikan kualitas, karakteristik kualitas kritis, diagram fish bone.
INFLUENTIAL FACTORS ON SMES INTENTION TO EXPORT FROM THE PERSPECTIVE OF INNOVATION DIFFUSION Yogi Yusuf Wibisono
International Journal of Economics, Business and Accounting Research (IJEBAR) Vol 7, No 4 (2023): IJEBAR, Vol. 7 Issue 4, December 2023
Publisher : LPPM ITB AAS INDONESIA (d.h STIE AAS Surakarta)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/ijebar.v7i4.10516

Abstract

A country's export level contributes greatly to its economy. Despite accounting for 99% of all companies, the contribution of small and medium-sized enterprises (SMEs) to national export in Indonesia is quite low, at 15.6%. The relatively low contribution of SMEs to export encourages scholars to look at the factors that impact or discourage SMEs from exporting their products. This study aims to build a model of internationalization adoption, i.e. export to foreign markets, based on the concept of innovation diffusion, with five dimensions: relative benefits, compatibility, complexity, trialability, and observability, in order to gain a better understanding of how internationalization as an innovation spreads in SMEs. The survey approach is employed, with questionnaires sent to SMEs in Bandung, and the data obtained is used to evaluate the model. According to the findings of the data analysis, relative benefits complexity, trialability, and observability all have a substantial impact on SMEs' intentions to export.
THE EFFECT OF PRODUCT QUALITY, SERVICE QUALITY, CORPORATE IMAGE AND PERCEIVED VALUE ON CUSTOMER LOYALTY OF B2B TRUCK COMPANY WITH CUSTOMER SATISFACTION AS INTERVENING VARIABLES Steven Wirajaya; Hotna Marina Sitorus; Yogi Yusuf Wibisono; Daniel Kurniawan; Livia Nathania
International Journal of Economics, Business and Accounting Research (IJEBAR) Vol 7, No 4 (2023): IJEBAR, Vol. 7 Issue 4, December 2023
Publisher : LPPM ITB AAS INDONESIA (d.h STIE AAS Surakarta)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/ijebar.v7i4.11569

Abstract

PT X is a multinational B2B automotive company that provides large trucks. Based on truck sales data from 2019 to 2021, PT X has experienced a decrease in truck sales. In July 2021, 2 out of 6 transactions failed because customers preferred to buy trucks from other companies. PT X suspects issues with customer loyalty. This study aims to evaluate customer loyalty levels based on factors influencing them. The research phase begins with the construction of research models and questionnaires containing rating questions on perceived value, product quality, service quality, corporate image, customer satisfaction, and customer loyalty. Questionnaires were distributed to customers who had purchased trucks from PT X between October 2021 and November 2021. Data processing is conducted using the PLS-SEM method to derive research conclusions. Based on the results of data processing, it was found that the factors affecting customer loyalty are product quality, corporate image, and customer satisfaction. Suggestions include a focus on these three factors and improvement in the spare part procurement system, with the hope that customer loyalty levels and truck sales will increase.
INTEGRATION OF SERVQUAL AND IMPORTANCE PERFORMANCE ANALYSIS IN IMPROVING SERVICE QUALITY OF MORE COFFEE AND SPACE Aditya, Naufal Rafi; Wibisono, Yogi Yusuf
International Journal of Economics, Business and Accounting Research (IJEBAR) Vol 8, No 3 (2024): IJEBAR, VOL. 8, ISSUE 3, September 2024
Publisher : LPPM ITB AAS INDONESIA (d.h STIE AAS Surakarta)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/ijebar.v8i3.14635

Abstract

This study has four main objectives, namely: (1) Identify the attributes that can evaluate the quality of service at MORE Coffee & Space, (2) Determine the level of service quality at MORE Coffee & Space, (3) Determine the importance level of service quality attributes at MORE Coffee & Space, (4) Identify appropriate improvement suggestions for addressing the issues faced by MORE Coffee & Space in order to enhance service quality. MORE Coffee & Space is a coffee shop based in Subang, West Java which was established in 2021 selling various drinks and food menus. MORE Coffee & Space has experienced a decline in the number of consumers. This causes the predetermined revenue target not to be achieved. The population in this study are MORE Coffee & Space customers who make purchases in July 2023. The number of samples used for the study were 165 customers. All samples were taken by filling out a questionnaire and distributed with a purposive sampling method. The validity test for the questionnaire was carried out using a factor analysis. The reliability test for the questionnaire was carried out using Cronbach's Alpha. Both tests are helped with IBM SPSS 25 application. The result was carried out using the SERVQUAL method and shows that the quality of service of MORE Coffee & Space is in a bad condition. Determine the level of importance for priority improvements with IPA diagrams which there are 9 attributes that require immediate action.
THE STUDY OF SACRIFICE AND CUSTOMER SATISFACTION THAT INFLUENCE CUSTOMERS’ REPURCHASE INTENTION AT NOODLE RESTAURANT Sugianto, Martin Julian; Wibisono, Yogi Yusuf
International Journal of Economics, Business and Accounting Research (IJEBAR) Vol 8, No 3 (2024): IJEBAR, VOL. 8, ISSUE 3, September 2024
Publisher : LPPM ITB AAS INDONESIA (d.h STIE AAS Surakarta)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/ijebar.v8i3.13909

Abstract

According to the Minister of Industry and the Central Statistics Agency, the food and beverage industry or business has contributed 1.2 quadrillion or 6.32% of Indonesia's total economic income in 2022. There are many food businesses spread across Indonesia, one of which is Restaurant X. The problem found was that there was a decrease in revenue at Restaurant X’s income starting from 2020 to 2023, causing difficulty in achieving targets every month. The purpose of this research is to identify and analyze the key factors that influence customer repurchase intentions at Restaurant X. The decrease in revenue occurred due to a decrease in the number of customers. Therefore, the purpose of this study is to determine the factors that can influence customer repurchase intentions at Restaurant X. In the research there are several variables, namely service quality, food quality, sacrifice, and customer satisfaction. Data collection was carried out using a questionnaire with a sampling technique in the form of convenience sampling. Data processing was carried out using the PLS-SEM (Partial Least Square-Structural Equation Model) method. This research succeeded in proving that service quality, food quality, and sacrifice influence customer satisfaction which then influences repurchase intention.
Studi Awal Pengembangan Instrumen Pengukuran Keberlanjutan Perguruan Tinggi di Indonesia Athalia, Nadia; Hariandja, Johanna Renny Octavia; Wibisono, Yogi Yusuf
Jurnal Rekayasa Sistem Industri Vol. 14 No. 1 (2025): Jurnal Rekayasa Sistem Industri
Publisher : Universitas Katolik Parahyangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26593/jrsi.v14i1.8957.146-159

Abstract

As a way to achieve sustainable development, it is important to develop a tool for assessing sustainability of Indonesian universities. There is one tool created by an Indonesian university, which have been utilized by 1,183 universities worldwide. However, the participation of Indonesian universities in sustainability assessment using this tool is considered very low, only 3.12% or about 145 universities in Indonesia. This statistic calls for an effort to develop a new assessment tool that accommodates the context of Indonesian universities. The objective of this research is to develop a sustainability assessment tool that is effective, relevant with the context of Indonesian universities and includes a data input system that is simple to use. The research involves identifying relevant sustainability dimensions, determining indicator criteria suitable for Indonesian context, designing easy data input, and evaluating the validity and reliability of the tool. This study uses a literature review of 29 current measuring tools used globally, which revealed four primary areas (i.e. environment, economics, education, and social). According to this preliminary study, the typical measurement tool averagely has forty indicators. Moreover, it is observed that current tools have some unsuitable indicators to Indonesian context (i.e. infrastructure, environment, and information). This study has streamlined the tool to three primary areas (i.e. environment, social, and education) and 18 assessment indicators. As a follow up study, expert talks, pairwise comparison analysis, and the design and testing of the sustainability assessment tool will be carried out.
Memahami penggunaan kontinu mobile wallet di Indonesia: Integrasi Technology Acceptance Model dengan interaksi sosial Sitorus, Hotna Marina; Wibisono, Yogi Yusuf; Kurnia, Felick
International Journal of Economics, Business and Accounting Research (IJEBAR) Vol 9 No 3 (2025): IJEBAR: Vol. 9, Issue 3, September 2025
Publisher : LPPM ITB AAS INDONESIA (d.h STIE AAS Surakarta)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/ijebar.v9i3.18091

Abstract

While the use of mobile wallets in Indonesia has increased, the country remains behind other ASEAN nations, notably Thailand and Vietnam. This study seeks to investigate the factors influencing Indonesians’ intention to continue using mobile wallets by incorporating the Technology Acceptance Model with social interactions, particularly social connectedness and social influence. This study aims to offer a theoretical contribution by exploring the role of the social interactions, specifically social connectedness, which has not been previously investigated in mobile wallets adoption research. The data collection process involved surveying mobile wallet users in key urban areas in Indonesia, yielding a total of 228 data. The research model underwent testing through the PLS-SEM methodology, revealing that the intention of Indonesians to continue utilizing mobile wallets is influenced by ease of use, benefits, and social connectedness. This study also presents recommendations for relevant stakeholders to persuade users to maintain their use of mobile wallets.
INFLUENTIAL FACTORS ON SMES INTENTION TO EXPORT FROM THE PERSPECTIVE OF INNOVATION DIFFUSION Wibisono, Yogi Yusuf
International Journal of Economics, Business and Accounting Research (IJEBAR) Vol 7 No 4 (2023): IJEBAR, Vol. 7 Issue 4, December 2023
Publisher : LPPM ITB AAS INDONESIA (d.h STIE AAS Surakarta)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/ijebar.v7i4.10516

Abstract

A country's export level contributes greatly to its economy. Despite accounting for 99% of all companies, the contribution of small and medium-sized enterprises (SMEs) to national export in Indonesia is quite low, at 15.6%. The relatively low contribution of SMEs to export encourages scholars to look at the factors that impact or discourage SMEs from exporting their products. This study aims to build a model of internationalization adoption, i.e. export to foreign markets, based on the concept of innovation diffusion, with five dimensions: relative benefits, compatibility, complexity, trialability, and observability, in order to gain a better understanding of how internationalization as an innovation spreads in SMEs. The survey approach is employed, with questionnaires sent to SMEs in Bandung, and the data obtained is used to evaluate the model. According to the findings of the data analysis, relative benefits complexity, trialability, and observability all have a substantial impact on SMEs' intentions to export.
Co-Authors Aditya, Naufal Rafi Alicia Kusumawati Alicia Kusumawati Athalia, Nadia Daniel Kurniawan Daniel Kurniawan E.V. Yuliana Wibisono E.V. Yuliana Wibisono F. Rian Pratikto Hari Adianto Hotna Marina Sitorus Johanna Renny Octavia Hariandja Kinley Aritonang Kurnia, Felick Livia Nathania Marihot Nainggolan Nathania, Livia Steven Wirajaya Sugianto, Martin Julian Wirajaya, Steven Yeny Agustin