Scholarlink

This chapter compares three DEA approaches for EA (Environmental Assessment) which examines the level of simultaneous achievement on economic prosperity and environmental protection. Chap. 2 has discussed that ESG and SDGs are important concepts for the sustainability enhancement in our societies, but they are imprecise in terms of practicality. To handle the impreciseness, Chap. 3 has first discussed DEA from energy economics and production economics. In this chapter, we incorporate “undesirable outputs” into the DEA framework to develop a new type of approach which is referred to as “DEA-EA”. The DEA approach measures the performance of many entities which use multiple inputs to produce not only multiple desirable outputs (e.g., electricity) but also multiple undesirable outputs (e.g., CO2). The incorporation of undesirable outputs makes it possible that we measure the level of ESG by DEA-EA. We conventionally classified DEA-EA into radial or non-radial categories in the previous studies. Recently, a new “intermediate” model, analytically locating between the radial and non-radial measures, has been proposed as the third alternative. The new approach measures a degree of unified inefficiency on each production factor so that it can determine the level of unified efficiency from the total of these inefficiency scores. This chapter discusses the analytical features of the three (radial, non-radial and intermediate) approaches by comparing their analytical structures. The methodological comparison conveys a message that DEA-EA is applicable to various ESG issues from economic prosperity and environmental protection. However, it may be true that many DEA-EA applications often suffer from a methodological bias, implying that different models produce different empirical results. In guiding large policy issues on ESG, we need to compare several different models to obtain reliable empirical evidences. This chapter discusses such a methodological issue from the practicality of these models in assessing various concerns on energy and environment. We analytically describe how DEA-EA can determine ESG from “investment”, using non-radial model. The other two (radial and intermediate) models may follow the similar process on ESG investments as discussed for the non-radial model.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Radial, Non-radial and Intermediate Models for Environmental Assessment (ESG)

  • 章节

  • 发表日期：

    2025年

查看全文
  • Toshiyuki Sueyoshi,
  • Mika Goto

摘要

This chapter compares three DEA approaches for EA (Environmental Assessment) which examines the level of simultaneous achievement on economic prosperity and environmental protection. Chap. 2 has discussed that ESG and SDGs are important concepts for the sustainability enhancement in our societies, but they are imprecise in terms of practicality. To handle the impreciseness, Chap. 3 has first discussed DEA from energy economics and production economics. In this chapter, we incorporate “undesirable outputs” into the DEA framework to develop a new type of approach which is referred to as “DEA-EA”. The DEA approach measures the performance of many entities which use multiple inputs to produce not only multiple desirable outputs (e.g., electricity) but also multiple undesirable outputs (e.g., CO2). The incorporation of undesirable outputs makes it possible that we measure the level of ESG by DEA-EA. We conventionally classified DEA-EA into radial or non-radial categories in the previous studies. Recently, a new “intermediate” model, analytically locating between the radial and non-radial measures, has been proposed as the third alternative. The new approach measures a degree of unified inefficiency on each production factor so that it can determine the level of unified efficiency from the total of these inefficiency scores. This chapter discusses the analytical features of the three (radial, non-radial and intermediate) approaches by comparing their analytical structures. The methodological comparison conveys a message that DEA-EA is applicable to various ESG issues from economic prosperity and environmental protection. However, it may be true that many DEA-EA applications often suffer from a methodological bias, implying that different models produce different empirical results. In guiding large policy issues on ESG, we need to compare several different models to obtain reliable empirical evidences. This chapter discusses such a methodological issue from the practicality of these models in assessing various concerns on energy and environment. We analytically describe how DEA-EA can determine ESG from “investment”, using non-radial model. The other two (radial and intermediate) models may follow the similar process on ESG investments as discussed for the non-radial model.