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All Journal Signifikan : Jurnal Ilmu Ekonomi Jurnal Penelitian Ekonomi dan Bisnis Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan KARSA: Jurnal Sosial dan Budaya Keislaman (Journal of Social and Islamic Culture) Jurnal Ekonomi dan Bisnis EKO-REGIONAL JURNAL PENGEMBANGAN EKONOMI WILAYAH Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Journal of Scientific Research, Education, and Technology Jurnal Ekonomi Kreatif dan Manajemen Bisnis Digital (JEKOMBITAL) Eko-Regional: Jurnal Pembangunan Ekonomi Wilayah
Hapsari Ayu Kusumawardhani
Faculty Of Economics And Business, Diponegoro University
Religion Arts Humanities Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Public Health Social Sciences

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Undesirable Output in Environmental Efficiency: Evidence from ASEAN Countries Kusumawardhani, Hapsari Ayu
Signifikan: Jurnal Ilmu Ekonomi Vol. 14 No. 2 (2025)
Publisher : Faculty of Economic and Business, Universitas Islam Negeri Syarif Hidayatullah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/sjie.v14i2.45828

Abstract

Research Originality: This study enriches the environmental efficiency literature by applying a DEA model that considers undesirable outputs, to produce more comprehensive and accurate efficiency estimates, especially in the context of the ASEAN region Research Objectives: To evaluate and compare the relative environmental efficiency of ASEAN countries using the Data Envelopment Analysis (DEA) method Research Methods:  This study applies the DEA approach to measure environmental efficiency in ASEAN countries from 2000 to 2022, using population and industry as inputs, and GDP and CO2 emissions as outputs Empirical Results: The findings indicate variations in environmental efficiency among ASEAN countries, reflecting differences in industrial policies and levels of economic development. Singapore emerges as the most efficient country, while Indonesia is identified as one of the ASEAN countries that needs to focus on improving its environmental efficiency. Implications: The research results show significant variation in environmental efficiency across ASEAN countries. This finding emphasizes the importance of formulating development policies that are not solely oriented toward economic growth but also address resource efficiency and emission reduction. Countries with low efficiency, such as Indonesia, need to develop more comprehensive, data-driven green transition strategies. JEL Classification: C31, G21, I32, O18 How to Cite:Kusumawardhani, H. A. (2025). Undesirable Output in Environmental Efficiency: Evidence from ASEAN Countries. Signifikan: Jurnal Ilmu Ekonomi, 14(2), 339-358. https://doi.org/10.15408/sjie.v14i2.45828.
Nexus Between Economic Growth, Renewable Energy, Industry Value Added and CO2 Emissions in ASEAN Susilowati, Indah; Mu'min, M. Silahul; Qudsyina, Hanny; Wahyuni, Hesti Asri; Rismawati, Suci; Kusumawardhani, Hapsari Ayu; Miah, Md. Ruyel
Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan Vol 24, No 2 (2023): JEP 2023
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jep.v24i2.23165

Abstract

This study aims to identify the relationship between economic growth, renewable energy, and industrial value added to CO2 emissions in ASEAN. The data used is panel data of 10 ASEAN countries from 2001-2020. This study uses the vector error correction model (VECM) for analysis. The estimation results show that CO2 emissions are only influenced by the CO2 variable itself in the previous period in the short term. In addition, economic growth and renewable energy significantly negatively affect CO2 emissions in the long term. Economic growth has the largest contribution to reducing CO2 emissions. The empirical findings also support the existence of the environmental Kuznets curve (EKC) in ASEAN. However, industrial value added has no significant effect on CO2 emissions. This study has several policy implications. The government needs to 1) strengthen energy transition regulations to encourage the use of renewable energy, 2) increase investment in RD to stimulate green technology innovation, and 3) protect the environment to mitigate negative externalities of economic activity.
Strategy to handling the challenges of small-scale fisheries vulnerability: case study Roban coastal, Batang regency Fitriyah, Silviaanis; Susilowati, Indah; Kusumawardhani, Hapsari Ayu
EKO-REGIONAL Vol 19 No 2 (2024)
Publisher : Jurusan Ilmu Ekonomi dan Studi Pembangunan Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32424/1.erjpe.2024.19.2.4510

Abstract

This study aims to identify the vulnerability of small-scale fishermen in the Roban Coastal Area through fast variables and slow variables, identify the adaptive capacity of fishermen to social-ecological changes, and analyze the resilience strategy of fishermen in facing rapid social-ecological changes due to national strategy projects. The method used was a mixed method with descriptive statistical analysis and 100 small-scale fishermen were taken as samples through purposive sampling. The results obtained show that the level of vulnerability of small-scale fishermen is in the high vulnerability category with a score of 7.89, the most vulnerable indicator is dependence on nature. The Roban Coastal small-scale fishermen resilience strategy is carried out through interdependence between stakeholders (academics, business people, government, and community) by obtaining the results that need to pay attention to several aspects (social, environmental, economic) in facing changes so that fishermen have a resilient level of resilience.
Efficiency Analysis of Capture Fisheries in the Northern and Southern Coastal Regions of Central Java, Indonesia Kusumawardhani, Hapsari Ayu; Wardhani, Arisanti Ayu
Jurnal Ekonomi Kreatif dan Manajemen Bisnis Digital Vol 4 No 1 (2025): AGUSTUS
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/jekombital.v4i1.999

Abstract

This study examines the fishery efficiency in the northern and southern coastal regions of Central Java by applying the Data Envelopment Analysis (DEA) approach. The efficiency measurement is based on three input variables (number of fishermen, boats, and fishing gear) and two output variables (total production value and quantity of fish produced). The analysis reveals that Tegal City is the most efficient region in Central Java's fisheries sector, followed by Rembang, Pati, and Batang. These regions demonstrate relatively optimal utilization of available fishing resources to generate high output. Tegal's efficiency can be attributed to its integrated fishing infrastructure, better market access, and effective fleet and labor management. In contrast, other regions showed lower efficiency due to underutilization of resources or operational constraints. The findings suggest the need for targeted policies to enhance technical efficiency in lagging areas, such as capacity-building programs, modernization of fishing gear, and improved value chain integration to support a more balanced and sustainable fisheries development across Central Java.
Co-Authors Arinda Thira Novia Setiawan Arisanti Ayu Wardhani Febrianti , Anisa Millenia Fitriyah, Silviaanis Hanny Qudsyina Hesti Asri Wahyuni Indah Susilowati Islam, Gazi Md Nurul Lestari , Esti M. Silahul Mu'min Md. Ruyel Miah Miah, Md. Ruyel Mu'min, M. Silahul Pungkasa, Yeremia Satrya Puspita, Sintia Diah Qudsyina, Hanny Rismawati, Suci Sakina , Masita Saraswati, Padmagitaning Sari, Dwi Putri Wulan Simangunsong, Cindy Dwi Septiana Suci Rismawati Suciati, Ika Susilowati , Indah Wahyuni, Hesti Asri