The rapid rise in global fragmentation - foreign investment, global supply chains, and 'production sharing' - is fundamentally reshaping the multilateral trading system. This paper uses a simple economic modeling framework to understand how the global fragmentation phenomenon may reshape the...

Recent initiatives to hold back cross-border mergers and acquisitions for ‘strategic’ reasons have made headline news. We discuss whether the initiatives may mark the start of a new protectionist era. We argue that standard globalization indicators show no such signs. However, an increasing...

We identify strong cross-border institutions as a driver for the globalization of in-novation. Using 67 million patents from over 100 patent offices, we introduce novel measures of innovation diffusion and collaboration. Exploiting staggered bilateral in-vestment treaties as shocks to...