heterogeneous firms and costly trade. Growth originates from horizontal specialization and the steady state productivity growth rate … production. -- productivity ; entry costs ; heterogeneous firms ; trade liberalization …

We study how financial frictions affect firm-level heterogeneity and trade. We build a model where productivity …

investigate the relation between firms' trading activities (importing, exporting or both) and productivity. We find important self … correlated within firms, failing to control for the importing activity leads to overstated average productivity premia of … exporters. -- Trade openness ; Firms' Heterogeneity ; Productivity …

countries as they can jump the barriers to international trade; I find that a twenty percent increase in the productivity of US …