Interrelationships between Income, Health and the Environment: Extending the Environmental Kuznets Curve Hypothesis

L. Gangagharan and Maria Rebecca Valenzuela

No 740, Department of Economics - Working Papers Series from The University of Melbourne

Abstract: This study examines the link between the health indicators and the environmental variables for a cross-section of countries widely dispersed in the economic development spectrum. While the environment and income are seen to have an inverted U-shaped relationship (Environmental Kuznets Curve hypothesis), it is also well established that health and environment are positively related. Our study focuses on the implications of this for the relationship between health and income. In the early phases of income growth, the gains in health and the losses in environmental quality could cancel each other out and this challenges the idea that as incomes increase health would always improve. To empirically analyse these issues, we estimate a two-stage least squares model that focuses on the impact of income and the environment on health status, with environment being an endogenous variable. Our results show that the environmental stress variable has a significant negative effect on health status. At the same time, GNP levels and improvements in access to better sanitation and safe water are shown to vary positively with health status variables. We find that the health gains obtained through improved incomes can be negated to a significant extent if the indirect effect of income acting via the environment is ignored. Research findings in this regard would be a useful policy instrument towards maximising both the environmental and health gains that come with economic growth and development.

Keywords: ENVIRONMENT; ECONOMETRICS; ECONOMIC DEVELOPMENT (search for similar items in EconPapers)
JEL-codes: C30 O11 Q25 (search for similar items in EconPapers)
Pages: 35 pages
Date: 2000
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Journal Article: Interrelationships between income, health and the environment: extending the Environmental Kuznets Curve hypothesis (2001)
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