investigate the relationship between exports and productivity. Our overall results are in line with the big picture that is by now … controlled for, and these exporter productivity premia tend to increase with the share of exports in total sales; there is strong …

dimensions of export performance. Over the 1999-2006 time period we study, Canadian firms successfully diversified their exports … to destinations beyond the United States and smaller firms increased their share of total exports. Both of these … margin, boosting the average level of exports to given product-destination markets. Effects at the extensive margins of trade …