Every firm in a developed economy relies on the mere existence of countless other firms to keep prices competitive up and down all supply chains. Without this network externality, no firm forms; and without many firms, no network forms; locking in a low-income trap. Business group governance...

Analyzing a variety of cross-national and sub-national data, we argue that high adult mortality reduces economic growth by shortening time horizons. Higher adult mortality is associated with increased levels of risky behavior, higher fertility, and lower investment in physical and human capital....

How should industrial policies be directed to reduce distortions and foster economic development? We study this question in a multi-sector model with technology adoption, where the production of goods and modern technologies features rich network structures. We provide simple formulas for the...