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All Journal Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan Journal of Materials Exploration and Findings (JMEF)
Ridzuan, Abdul Rahim
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Economics, Econometrics & Finance

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Pipeline Risk Analysis Optimization with Monte Carlo Method Using Gamma Distribution Digita, Farhan Rama; Fatriansyah, Jaka Fajar; Ridzuan, Abdul Rahim; Ovelia, Hanna; Mas'ud, Imam Abdillah; Tihara, Irma Hartia; Linuwih, Baiq Diffa Pakarti
Journal of Materials Exploration and Findings Vol. 2, No. 3
Publisher : UI Scholars Hub

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Abstract

The inspection process of piping components in the oil and gas industry is one of the most crucial things, given the high risk posed by pipeline system failures, which have a huge impact on losses, both from environmental and financial aspects. Risk-based inspection with the Monte Carlo method is one of the efforts that can be made to minimize failures in piping systems, by involving data distribution to calculate the probability of component failure. Although the normal distribution is commonly used for generating random variables, its use in corrosion rate calculation can lead to overestimation due to negative corrosion rate values. Overestimation can result in inaccurate data and higher risk values, which can cause increased inspection costs. Therefore, the use of gamma distribution as a random variable generator can be a solution to reduce the bias level and increase the accuracy of the normal distribution analysis results. The gamma distribution is proven to prevent overestimation, so it can avoid inspection cost losses because the resulting risk value is lower than the normal distribution.
Optimizing the Role of Community-Based Enterprises to Improve Performance and Competitiveness in Indonesia Nihayah, Dyah Maya; Pujiati, Amin; Rahman, Yosi Aulia; Nihayah, Annis Nurfitriana; Nursaidah, Nursaidah; Damayanti, Anggita; Ridzuan, Abdul Rahim
Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan Vol 25, No 1 (2024): JEP 2024
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jep.v25i1.23597

Abstract

This study aims to identify the characteristics and roles of the village-owned enterprises (BUMDES) model and determine the appropriate development strategy to improve performance and competitiveness. This research is a qualitative study with a case study approach. Data were taken from key persons the director of BUMDES, village officials, and the community as BUMDES partners in Semarang Regency. Data were analyzed using Atlas.ti and Analytical Networking Process (ANP) methods. The results show that BUMDES in Semarang Regency leads to the community-based enterprises (CBE) model than social enterprises because some of the characteristics they have to include the purpose of establishing BUMDES is to contribute to the village economy through the village income (PADes), improving the welfare of rural communities; BUMDES strategy to gain profits, and have strong social capital. Strategies to improve attractive marketing techniques and increase competence through joint training and mentoring are top priorities to improve performance and competitiveness. The limitation of the study is the sample should include the differentiated BUMDES based on village typology so that models and behavior can be identified according to their respective roots.
Co-Authors Amin Pujiati Damayanti, Anggita Digita, Farhan Rama Dyah Maya Nihayah Fatriansyah, Jaka Fajar Linuwih, Baiq Diffa Pakarti Mas'ud, Imam Abdillah Nihayah, Annis Nurfitriana Nursaidah Nursaidah, Nursaidah Ovelia, Hanna Rahman, Yosi Aulia Tihara, Irma Hartia