Trade openness–carbon emissions nexus: The importance of turning points of trade openness for country panels

This paper explores the relationship between trade openness and CO2 emissions by incorporating economic growth as an additional and potential determinant of this relationship for three groups of 105 high, middle and low income countries. We apply the Pedroni (1999) and Westerlund (2007) panel cointegration tests and find that the three variables are cointegrated in the long run. Trade openness impedes environmental quality for the global, high...