New empirical and theoretical work has highlighted the importance of multi-product firms in international trade flows. We examine multi-product exporters in the small open economy of Belgium, considering their importance and the relationship between the margins of trade and firm productivity,...

New empirical and theoretical work has highlighted the importance of multi-product firms in international tradeflows. We examine multi-product exporters in the small open economy of Belgium, considering their importance and the relationship between the margins of trade and firm productivity,...

The object of this paper is to study the evolution of trade costs and of the agglomeration of production, as well as their relation. The Home Market Effect prescribes increasing agglomeration when trade costs decrease because it is supposed to strengthen. We study the joint variation of trade...

This paper examine multi-product exporters in Belgium, considering their importance and the relationship between the margins of trade and firm productivity. We employ proxies for trade costs to quantify the extensive and intensive margin adjustments of trade. Relatively few exporting firms...

This paper uses a model with transaction costs and imperfect competition in the land market to analyze the efficiency and welfare effects of land reforms. We show that removing only one imperfection may have very different efficiency and welfare effects than would otherwise result from reforms...

A major question in the globalization debate is whether outsourcing and offshoring activities are beneficial to the home country. This paper investigates the effects on productivity and trade from the perspective of transaction costs, using a recent theory on trade in tasks. A production...