's aggregate exports. The data allows for a characterization of both the crosssectional distribution of Mexican exports, across … destinations and across exporting firms, and of the time-series variation in aggregate exports and its relation to time …-series variation in the export supply decisions of firms. It is found that the cross-sectional variation of exports is mostly accounted …

domestic firms. The link between firm-level exports and changes in the competitive environment on foreign markets is less well … understood, however. This is despite the fact that exports make up a significant and growing share of total manufacturing … production in most countries. We derive a theory-based econometric specification linking destination-specific exports to foreign …

produced by the firm, so-called Carry-Along Trade (CAT). CAT exports are concentrated in the largest and most productive firms … and the value of CAT exports responds differently to variation in firm productivity and trade costs than does the export …

produced by the firm, so-called Carry-Along Trade (CAT). CAT exports are concentrated in the largest and most productive firms … and the value of CAT exports responds differently to variation in firm productivity and trade costs than does the export …