Research Article

Evaluating ecological sustainability performance of OECD countries via entropy-based TOPSIS

Volume: 14 Number: 1 July 1, 2026

Evaluating ecological sustainability performance of OECD countries via entropy-based TOPSIS

Abstract

The aim of this study is to comparatively examine the ecological footprint performances of 25 OECD member countries for the year 2022 using the Entropy-based TOPSIS method. The analysis includes six criteria: pasture lands, agricultural lands, forest areas, fishing grounds, built-up areas, and carbon footprint. The analysis revealed that the most significant criterion determining ecological footprint performance is the Carbon Footprint (CF). Based on the data obtained in this study, the highest total ecological footprint was observed in the United States, whereas Norway demonstrated the closest performance to the ideal solution. This indicates that countries with high ecological footprints have room for improvement in terms of environmental sustainability, while those closer to the ideal solution exhibit a more balanced environmental performance under current practices.

Keywords

Supporting Institution

The author received no financial support for the research, authorship, and/or publication of this article.

Ethical Statement

Since secondary data were used in the study, ethical committee approval was not required.

References

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Details

Primary Language

English

Subjects

Operations Research

Journal Section

Research Article

Publication Date

July 1, 2026

Submission Date

January 16, 2026

Acceptance Date

April 29, 2026

Published in Issue

Year 2026 Volume: 14 Number: 1

APA
İslamoğlu, E. (2026). Evaluating ecological sustainability performance of OECD countries via entropy-based TOPSIS. Alphanumeric Journal, 14(1), 135-156. https://doi.org/10.17093/alphanumeric.1865015
AMA
1.İslamoğlu E. Evaluating ecological sustainability performance of OECD countries via entropy-based TOPSIS. Alphanumeric. 2026;14(1):135-156. doi:10.17093/alphanumeric.1865015
Chicago
İslamoğlu, Ebrucan. 2026. “Evaluating Ecological Sustainability Performance of OECD Countries via Entropy-Based TOPSIS”. Alphanumeric Journal 14 (1): 135-56. https://doi.org/10.17093/alphanumeric.1865015.
EndNote
İslamoğlu E (July 1, 2026) Evaluating ecological sustainability performance of OECD countries via entropy-based TOPSIS. Alphanumeric Journal 14 1 135–156.
IEEE
[1]E. İslamoğlu, “Evaluating ecological sustainability performance of OECD countries via entropy-based TOPSIS”, Alphanumeric, vol. 14, no. 1, pp. 135–156, July 2026, doi: 10.17093/alphanumeric.1865015.
ISNAD
İslamoğlu, Ebrucan. “Evaluating Ecological Sustainability Performance of OECD Countries via Entropy-Based TOPSIS”. Alphanumeric Journal 14/1 (July 1, 2026): 135-156. https://doi.org/10.17093/alphanumeric.1865015.
JAMA
1.İslamoğlu E. Evaluating ecological sustainability performance of OECD countries via entropy-based TOPSIS. Alphanumeric. 2026;14:135–156.
MLA
İslamoğlu, Ebrucan. “Evaluating Ecological Sustainability Performance of OECD Countries via Entropy-Based TOPSIS”. Alphanumeric Journal, vol. 14, no. 1, July 2026, pp. 135-56, doi:10.17093/alphanumeric.1865015.
Vancouver
1.Ebrucan İslamoğlu. Evaluating ecological sustainability performance of OECD countries via entropy-based TOPSIS. Alphanumeric. 2026 Jul. 1;14(1):135-56. doi:10.17093/alphanumeric.1865015

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