We estimate the impact on pilgrims of performing the Hajj pilgrimage to Mecca. Our method compares successful and unsuccessful applicants in a lottery used by Pakistan to allocate Hajj visas. Pilgrim accounts stress that the Hajj leads to a feeling of unity with fellow Muslims, but outsiders...

Development economics is split between macro-development economists - who focus on economic growth, international trade, and fiscal/macro policies - and micro-development economists - who study microfinance, education, health, and other social programs. Recently there has been substantial...

The bulk of global inequality is accounted for by income differences across countries rather than within countries. Expanding trade with China has aggravated inequality in some advanced economies, while ameliorating global inequality. But the “China shock” is receding and other low-income...