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All Journal JEJAK International Journal of Industrial Optimization (IJIO)
Boon Cheong Chew, Boon Cheong
Universiti Teknikal Malaysia Melaka,
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering

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Market Structure and Price Transmission of Eggs Commodity Ahmad, Abdul Aziz; Arifin, Agus; Chew, Boon Cheong
JEJAK: Jurnal Ekonomi dan Kebijakan Vol 9, No 2 (2016): September 2016
Publisher : Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jejak.v9i2.8234

Abstract

Purposes of this research are to determine some characteristics of distribution channel, market structure, and price maker transmission in purebred chicken egg commodity in Banyumas District, Central Java Province. Primary data applied on this research is from all channel distribution levels; from producers to final consumers. Meanwhile secondary data is collected from government official sources, such as BPS-Statistic of Banyumas Disrict, Banyumas Department of Industry, Trading and Cooperation, and previous researches which has been made by researcher team. Sample determining is directed by proportional random sampling methods. Some measurements are applied to this research, including to; Herfindahl Index (HI), Concentration Ratio (CF), and Minimum Efficiency Scale (MES) to investigate market structure; and Asymmetric Price Transmission (APT) to determine price transmission mechanism model. This research finds that (1) the distribution channel of egg commodity is spitted to different channel, the first channel: egg producer – retail traders – final consumers, and second channel: egg producers – whole seller – retail traders – final consumers; (2) market structure which is created to this farming specific commodity is perfect market; (3) price transmission mechanism analysis statistically shows that there is almost no existence of dominant power in price formation.
Market Structure and Price Transmission of Eggs Commodity Ahmad, Abdul Aziz; Arifin, Agus; Chew, Boon Cheong
JEJAK: Jurnal Ekonomi dan Kebijakan Vol 9, No 2 (2016): September 2016
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jejak.v9i2.8234

Abstract

Purposes of this research are to determine some characteristics of distribution channel, market structure, and price maker transmission in purebred chicken egg commodity in Banyumas District, Central Java Province. Primary data applied on this research is from all channel distribution levels; from producers to final consumers. Meanwhile secondary data is collected from government official sources, such as BPS-Statistic of Banyumas Disrict, Banyumas Department of Industry, Trading and Cooperation, and previous researches which has been made by researcher team. Sample determining is directed by proportional random sampling methods. Some measurements are applied to this research, including to; Herfindahl Index (HI), Concentration Ratio (CF), and Minimum Efficiency Scale (MES) to investigate market structure; and Asymmetric Price Transmission (APT) to determine price transmission mechanism model. This research finds that (1) the distribution channel of egg commodity is spitted to different channel, the first channel: egg producer – retail traders – final consumers, and second channel: egg producers – whole seller – retail traders – final consumers; (2) market structure which is created to this farming specific commodity is perfect market; (3) price transmission mechanism analysis statistically shows that there is almost no existence of dominant power in price formation.
A smart city infrastructure implementation framework – insights from smart street lighting implementation optimization Anityasari, Maria; Amrizal, Rizki; Widodo, Erwin; Anam, Sjamsjul; Chew, Boon Cheong
International Journal of Industrial Optimization Vol. 6 No. 2 (2025)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/ijio.v6i2.13307

Abstract

In recent years, the concept of smart cities and infrastructure has gained momentum as a solution to challenges such as population growth, resource management, and environmental sustainability. Rapid urbanization in many developing countries highlights the need for efficient infrastructure planning and management. This framework offers a structured approach for decision-making and resource allocation, enabling prioritization of investments to maximize limited resources while supporting development goals. The framework is tested through an analysis of the Smart Street Lighting Systems (SSLS) in Surabaya, Indonesia, addressing the city's intention to upgrade street lighting to reduce maintenance costs and energy consumption. Currently, the street lighting system faces issues including a high rate of broken or damaged lights and inefficiencies in handling complaints. However, limited funding and varied regional needs constrain any comprehensive upgrade. The proposed framework integrates the Analytical Hierarchy Process (AHP) to prioritize regions as weighting inputs, Mixed Integer Goal Programming (MIGP) to optimize the distribution of SSLS and conventional LED lighting across regions, and Cost-Benefit Analysis (CBA) to evaluate financial feasibility. Results recommend purchasing 11,915 new SSLS units with region-specific distributions, achieving a financially viable Benefit-Cost Ratio (BCR) of 2.059. These findings demonstrate practical implementation of smart city principles, balancing cost-efficiency, service performance, and stakeholder priorities. Policymakers can use this framework to maximize impact within budget constraints. This framework serves as a viable template for other regions and countries embarking on smart city infrastructure implementation.
Co-Authors Abdul Aziz Ahmad Agus Arifin, Agus Amrizal, Rizki Erwin Widodo Maria Anityasari Sjamsjul Anam