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All Journal Journal of Economics, Business, & Accountancy Ventura Jurnal Ilmiah Teknik Industri Applied Quantitative Analysis (AQA)
Adiani, Widyoretno
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Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Industrial & Manufacturing Engineering Mathematics Social Sciences

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MODEL PERSEDIAAN DENGAN PERMINTAAN BERGANTUNG PADA HARGA JUAL DAN TINGKAT PERSEDIAAN DENGAN FAKTOR DETERIORASI Adiani, Widyoretno; Lesmono, Dharma; Limansyah, Taufik
Jurnal Ilmiah Teknik Industri Vol. 18, No. 2, Desember 2019
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v18i2.8749

Abstract

Inventory management and control are needed, especially for retailers, to make their business run smoothly. Inventory management is related to the purchase, storage, and sale of goods. Therefore, the determination of the right amount of inventory in hands is crucial in this situation. Low inventory levels will cause a higher probability of shortage, but on the other hand, having a lot of inventory in hands will incur higher holding costs, extra storage space, and deterioration of goods in hands. In this paper, we propose an inventory model with the inventory and price-dependent demand. We also consider a deterioration factor in our model. There are two models developed in this paper, namely the linear deterioration rate model with constant holding cost and the model of the deterioration rate with Weibull distribution with linear time-dependent holding cost. The purpose of the model is to find the optimal price and ending inventory level that maximizes the average profit. Sensitivity analysis is also performed to find the effect of parameter changes in our model to the optimum solution. We found that model with Weibull deterioration rate and linear holding costs will give a higher average profit.
Cashless Society in Progress: Capturing Different Generations’ Perspectives toward External Influence in E-Wallet Usage Adiani, Widyoretno; Aprianingsih, Atik; Purwanegara, Mustika Sufiati
Journal of Economics, Business, and Accountancy Ventura Vol. 24 No. 2 (2021): August - November 2021
Publisher : Universitas Hayam Wuruk Perbanas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14414/jebav.v24i2.2677

Abstract

The use of non-cash transaction, which is currently popular in the public, has made the topic of a cashless society discussed more often. A cashless society is a condition where people transact without using cash money so that it leads to the process from the conventional into the cashless society. In this condition, the involvement of each generation is needed. This study tries to investigate how each generation's perspective—both the younger generation and the older generation, toward the external factors, namely social influence, government support, and network externalities—affect their use of non-cash transactions in the form of e-wallet. The data were collected using focus group discussion (FGD) and a survey of 489 respondents. The data were analyzed using PLS-SEM. This research reveals how different generations have a different perspective on e-wallet and the government support has a more significant influence on the older generation than the younger generation, who tend to be more influenced by peers or family. However, both generations emphasized how the network externalities influenced the continuance usage in this service. This result implies the importance of e-wallet service providers to expand the network and collaborating with various actors to retain customers.
External Drivers of E-Wallet Continuance and Loyalty Among Mid-to-Late Adulthood Consumers in Indonesia Adiani, Widyoretno
Applied Quantitative Analysis Vol. 1 No. 1 (2021): June 2021
Publisher : Research Synergy Foundation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31098/quant.3991

Abstract

The rapid growth of digital payments in Southeast Asia, particularly Indonesia, has transformed financial behaviors, yet significant adoption and usage gaps remain among mid-to-late adulthood consumers. This study investigates the determinants of e-wallet continuance usage and loyalty within this mid-to-late adulthood segment in Indonesia, here referring to individuals aged 40 years and above, a demographic increasingly important to the nation’s digital economy. Drawing on Expectation Confirmation Theory and supported by insights from technology adoption and institutional perspectives, the research examines the influence of government support, social influence, and network externalities on continuance usage, and the role of continuance usage in shaping loyalty. Using a quantitative, cross-sectional design, data were collected from 223 e-wallet users within the targeted age segment and analyzed using Partial Least Squares Structural Equation Modeling (PLS-SEM). The findings show that government support and social influence positively predict continuance usage, underscoring the importance of institutional legitimacy and interpersonal cues in reinforcing digital payment engagement among mid-to-late adulthood consumers. In contrast, network externalities do not significantly influence continuance usage, suggesting that market-wide adoption cues play a limited role for this demographic. The results also confirm that continuance usage strongly predicts loyalty, highlighting the importance of sustained user experience in fostering long-term commitment to e-wallet platforms. Collectively, these insights offer theoretical contributions to fintech continuance literature and practical implications for strengthening digital inclusion and user retention among older consumers.
Co-Authors Atik Aprianingsih Dharma Lesmono Mustika Sufiati Purwanegara Taufik Limansyah