By Beverly Lapham, Queen’s University

Researchers and policymakers have long recognized that firms within an industry differ along many dimensions (size, productivity, participation in international markets, etc.). However, firm-level empirical analysis and rigorous theoretical models with firm heterogeneity have only been developed in the last fifteen years or so. Such analyses improve our understanding of how these differences affect firms’ performance in global and domestic markets and their responses to trade liberalization.Read More »