We study the role of firm heterogeneity and imperfect competition for global production networks and the gains from trade. We develop a quantifiable trade model with two-sided firm heterogeneity, matching frictions, and oligopolistic competition upstream. More productive buyers endogenously...

Africa's linkages in manufacturing global value chains are reasonably high compared with other developing regions. Still, linkage rates have declined steeply in recent years in non-resource rich countries in the region although they have increased sharply in countries that are rich in natural...

This paper studies how firms' offshoring decisions shape a country's domestic production networks. We develop a model in which heterogeneous firms source inputs from multiple industries located in different domestic regions and foreign countries. Input sourcing entails communication with...

Did multinational production (MP) exacerbate or mitigate the collapse of international trade during the Great Recession? What role did MP and trade links play in propagating economic shocks across countries? I resolve the "Multinationals' Resilience Puzzle" during the Great Recession by...

In contrast to much recent work regarding the causes of European unemployment, in this paper, we emphasise the importance of capital accumulation. But unlike the few previous studies which have examined the relationship between capital accumulation and unemployment, we argue that what matters...