In the 2000s, global inequality fell for the first time since the Industrial Revolution, driven by a decline in the dispersion of average incomes across countries. Between 1988 and 2008, a period of rapidly increasing global integration, income growth was largest for the global top 1 percent and...

This paper finds that capital and labor incomes in the United States have become more closely associated since the 1980s. This contributed to the well-known increase in the top 1 percent's share of total income, exacerbating rising inequality in capital incomes and earnings. The paper shows that...

Greenhouse gas emissions are largely determined by how energy is created and used, and policies designed to encourage mitigation efforts reflect this reality. However, an unintended consequence of an energy-focused strategy is that the set of policy instruments needed to tap mitigation...