... beta-convergence dans la pollution, con-ditionnelle au PIB, ainsi que la beta-convergence dans le PIB, conditionnelle à la pollution. Mots clés : Pollution atmosphérique, émissions de CO2, Courbe de Kuznets ... family has always been by my side in this academic adventure.Thanks Dad, Javier and Iván for being there when I was absorbed in my dissertation.Javier has been kind enough to revise the English ... explore empiricallythe link between the level of economic activity and air pollution at the macroeco-nomic level. A special emphasis is given to the application of recent tools developedin the nonparametric...