This paper extends the results of series of papers, i.e., Zaim (2004) and Yörük and Zaim (2005a, 2005b). We construct an environmental efficiency index for OECD countries and establish an environmental Kuznets curve relationship between environmental efficiency and income. We then investigate...

This study, relying on an economic-theoretical approach to index numbers, proposes a framework for incorporating environmental indicators to the measurement of human well-being. Furthermore this study also proposes an improvement index which alleviates the well-known deficiency of across-time...