A consumption based Human Development Index and The Global Environmental Kuznets Curve

Vol: 
2004/01
Author name: 
Raghbendra Jha
K.V. Bhanu Murthy
Year: 
2004
Abstract: 

We extend the analysis of Jha and Murthy (2003) to relate consumption to environmental degradation (conceived of as a composite) within a cross-country framework. We use the method of Principal Components Analysis (PCA) to construct an Environmental DegradationIndex (EDI) for each country and global environmental degradation (GED) as the sum of the EDI’s. We then identify outliers and influential observations among both the environmental and consumption related variables. Canonical Discriminant analysis is then used to classifydevelopment classes along environmental lines. We then estimate a simultaneous equationmodel to analyze the pattern of causation between per capita income, consumption and environmental degradation. We estimate a Global Environmental Kuznets curve (GEKC) as a relation between EDI ranks and ranks of the consumption-based EDI. A cubic representation ismost appropriate with high-consumption countries contributing excessively to GED and middle-consumption countries slightly less. Low-consumption countries are contributing insignificantly to GED. Finally we present an alternative consumption-based Human Development Index toUNDP’s income-based Human Development Index. We then compare the ranking of countriesaccording to the consumption-based HDI ranks with their ranking according to their EDI. Two sets of data drawn from the Human Development Report (HDR) UNDP(2000)) are used in the analysis. One relates to the environment and the other to developmental variables. For the formation of a composite index that would enable the estimation of a GEKC for 174 countries, we used cross-sectional data used in the HDR. The two main contributions of this paper are tobuild a consumption based HDI and to estimate a Global EKC based on consumption. A simultaneous equations model explains the causal structure that is responsible for Global Environmental Degradation. Further, with Canonical Discriminant Analysis it has been shown that GED does not have geo-physical basis but an anthropogenic basis. As a part of the system of equations a Global Consumption Function has been estimated that displays interesting results. In net, the paper attempts to establish that a certain ‘type of development’ that characterizes highconsumption countries is primarily responsible for Global Environmental Degradation.

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