Co-ethnic networks foster trade by providing information about trading opportunities and taking advantage of mutual trust. While the economics literature usually focuses on direct ethnic links between source and host countries, sociological studies adopt a broader perspective. They emphasize the...

We sort out confounding factors in the empirical link between bilateral migration and trade. Using newly available panel data on developing countries' diaspora to rich OECD nations in a theory-grounded gravity model, we uncover a robust, causal pro-trade effect. Moreover, we do not find evidence...

No consensus has been reached so far on what a business model is. In particular, no comprehensive explanation exists of the decisions to be taken in developing business models in times of long-term, far-reaching technological change. In this article, we therefore start by giving a broad...

This paper characterizes analytically the optimal tariff of a large one-sector economy with monopolistic competition and firm heterogeneity in general equilibrium, thereby extending the small-country results of Demidova and Rodríguez-Clare (JIE, 2009) and the homogeneous firms framework of Gros...