De Loecker, Jan; Warzynski, Frederic - C.E.P.R. Discussion Papers - 2009
productivity, ii) exporters charge on average higher markups and iii) firms’ markups increase (decrease) upon export entry (exit …). We see these findings as a first step in opening up the productivity-export black box, and provide a potential … explanation for the big measured productivity premia for firms entering export markets. …