firm. We argue that knowledge is heterogeneous because it refers to scientific disciplines and technologies. One must … organisation of knowledge and economic performance at the firm level. …

This paper analyses in what extent innovation contributes to the productivity premium of exporters. We start by … performing non parametric tests on TFP distributions on different groups of firms characterized by their export and innovation … advantage of exporters over non-exporters, is robust to the introduction of innovation statistics. We conclude that export and …