This paper tests the Environmental Kuznets Curve (EKC) hypothesis for four local (SO<InlineEquation ID="IEq1"> <EquationSource Format="TEX">$$_{x}$$</EquationSource> <EquationSource Format="MATHML"> <math xmlns:xlink="http://www.w3.org/1999/xlink"> <msub> <mrow/> <mi>x</mi> </msub> </math> </EquationSource> </InlineEquation>, NO<InlineEquation ID="IEq2"> <EquationSource Format="TEX">$$_{x}$$</EquationSource> <EquationSource Format="MATHML"> <math xmlns:xlink="http://www.w3.org/1999/xlink"> <msub> <mrow/> <mi>x</mi> </msub> </math> </EquationSource> </InlineEquation>, CO, VOC) and two global (CO<InlineEquation ID="IEq3"> <EquationSource Format="TEX">$$_{2}$$</EquationSource> <EquationSource Format="MATHML"> <math xmlns:xlink="http://www.w3.org/1999/xlink"> <msub> <mrow/> <mn>2</mn> </msub> </math> </EquationSource> </InlineEquation>, GHG) air pollutants. Using a panel data set of thirty OECD countries, the paper finds that the postulated inverted...</equationsource></equationsource></inlineequation></equationsource></equationsource></inlineequation></equationsource></equationsource></inlineequation>

Bulgaria’s transition to a market economy has been remarkably slow and painful. Difficulties that can affect the labor markets of transition economies have all occurred in Bulgaria. Sharp declines in employment, high unemployment, low turnover among the unemployed and increasing long-term...