Authors

1 Professor, University of Allameh Tabatabaie and Azad University

2 Graduate student, Azad University

Abstract

The local and international environmental problems are one of the most important concerns for economists, politicians, and lawmakers. Therefore, an investigation of the relationship between economic growth and environmental pollution can be important ,because it may be used as a base for national and international environmental policies. In this study, a panel data approach was used to analyze the effect of economic growth, technical, preferential and political changes on the important air pollution factors in the 56 selected countries with different developments levels for the period 1995 - 2005.The results indicate that despite the positive effect of the economic growth on the environmental pollution, technological advances have played an important role in  the reduction of sulfur and nitrogen dioxide,and in improvement of the political indices in the reduction of  carbon dioxide as the air pollutant.
 

Keywords