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Economic models for the environmental Kuznets curve: A survey

机译：环境库兹涅茨曲线的经济模型：一项调查

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摘要

The 'environmental Kuznets curve' (EKC) refers to an inverted-U-shaped relationship between some pollutant level and per capita income, i.e., the environmental quality deteriorates at early stages of economic growth and subsequently improves at a later stage. Since the early 1990s, a considerable number of empirical studies have been conducted on the EKC and, although there is no conclusive proof, it has been recognized that the EKC emerges as an empirical regularity. However, some recent studies cast doubt on the concept and methodology of empirical results, and evidence of the existence of the EKC has been questioned. In fact, how economic growth affects the environmental quality (i.e. the shape of the EKC) is still controversial. In order to identify the actual relationship between the environmental quality and economic growth, it is essential to develop economic models from various points of view. This paper overviews the current stage of theoretical models that explain such relationship.
机译：“环境库兹涅茨曲线”（EKC）是指某种污染物水平与人均收入之间的倒U形关系，即环境质量在经济增长的早期阶段恶化，随后在后期阶段改善。自1990年代初以来，已经对EKC进行了大量的实证研究，尽管没有确凿的证据，但人们已经认识到EKC成为一种经验规律性。但是，最近的一些研究对实证结果的概念和方法提出了疑问，并且对存在EKC的证据提出了质疑。实际上，经济增长如何影响环境质量（即EKC的形状）仍存在争议。为了确定环境质量与经济增长之间的实际关系，必须从各种角度发展经济模型。本文概述了解释这种关系的理论模型的当前阶段。

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