In this paper, we examine the changes in per-capita income and productivity from 1700 to modern times, and show four things: (1) that incomes per capita diverged more around the world after 1800 than before; (2) that the source of this divergence was increasing differences in the efficiency of...

We hypothesize that pharmaceutical-embodied technical progress increases per capita output via its effect on labor supply (the employment rate and hours worked per employed person). We examine the effect of changes in both the average quantity and average vintage (FDA approval year) of drugs...

Demand and supply still remain the main instruments in determining the role of Information and Communication Technology (ICT) in gross domestic product growth. There is an increasing body of research, investigating the determinants of economic growth in China. Most studies have focused on...

This paper demonstrates that India’s early 2000s mobile phone service expansion, or the “telecom boom” led to net rural-urban migration of about 13 million individuals out of which 4 million moved for employment. To estimate the effects, we exploit the heterogeneous expansion of telecom...

We construct and estimate a unified model combining three of the main sources of cross-country income disparities: differences in factor endowments, barriers to technology adoption and the inappropriateness of frontier technologies to local conditions. The key components are different types of...