This paper reviews the empirical evidence on firm heterogeneity in international trade. A first wave of empirical findings from micro data on plants and firms proposed challenges for existing models of international trade and inspired the development of new theories emphasizing firm...

This paper investigates the determinants of countries' export performance looking in particular at the role of international product market linkages. We begin with a novel decomposition of the growth in countries' exports into the contribution from increases in external demand and from improved...

This paper considers the role of international openness in facilitating the convergence of average income per capita between countries. The statistical technique of Discriminant Analysis is used to sort economies into groups of open and closed on the basis of a number of measures of the stance...