This paper uses firm-level data for Mexican exporters to understand how firm-level export decisions shape a country …-series variation in the export supply decisions of firms. It is found that the cross-sectional variation of exports is mostly accounted … exporting firms that retain their export status from year to year. …

export quantity function to evaluate the determinants of exports of each industry. Export quantities are assumed to depend on … of export determinants, since the variations of relative unit labor costs are decomposed in changes of relative labor … productivity and relative wage per employee for each industry. The regression analysis of export determinants is presented in the …