This paper assesses the convergence in eco-efficiency of a group of 22 OECD countries over the period 1980-2005. In doing so, three air-pollutants representing the impact on the environment of economic activities are considered, namely, carbon dioxide (CO2), nitrogen oxides (NOX) and sulphur...

The impact of economic activity on the environment is a matter of growing concern for firm managers, policymakers, researchers and society as a whole. Building on previous work by Kortelainen [Kortelainen, M., 2008. Dynamic environmental performance analysis: A Malmquist index approach....