Özet:

In this paper, we empirically investigate the causal relationship between financial development, environmental degradation (CO2 emissions), trade openness and economic growth (GDP), using Panel data (the theory of cointegration Pedroni (1999,2004)) for 12 MENA countries ( Middle East and North Africa) during the period 1990- 2014.The long-term relationships estimated by the modified least squares technique proposed by Pedroni (1996). Our results indicate that there is evidence for a bidirectionel causality between CO2 emissions and economic growth. Economic growth and trade openness are interdependent, it exist a bidirectionel causality. Also, we confirm a bidirectional causality among trade openness and financial development. The unidirectional causality of financial development on economic growth and openness to CO2 emissions trading is identified. Our empirical results also verified the existence of the environmental Kuznets curve hypothesis by the causal link between GDP and environmental polution. Finally, panel causality verifies the existance of bidirectional relationship between economic growth(GDP), environmental degradation(CO2 emissions), financial development and trade openness. This empirical knowledge is of particular interest to policy makers as it helps us create sound economic policies to support economic development and improve environmental quality.

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