, little is known about the sources behind the gap: Is it because more productive (and/or higher paying) firms export, because … more productive workers select into the export sector, or is it because matches in the export sector are more productive … returns and thereby the exporter wage gap becomes a result of workers selecting into the export or non-export sector based on …

both imports and exports, and iii) examine the impact of imports according to the country of origin. Looking at the export …