GDP growth is often measured poorly for countries and rarely measured at all for cities. We propose a readily available proxy: satellite data on lights at night. Our statistical framework uses light growth to supplement existing income growth measures. The framework is applied to countries with...

"For United States annual data that include World War II, the estimated multiplier for temporary defense spending is 0.4–0.5 contemporaneously and 0.6-0.7 over 2 years. If the change in defense spending is "permanent" (gauged by Ramey's defense-news variable), the multipliers are higher by...

The rapid accumulation of private debt is widely viewed as a major risk to financial and economic stability. This paper systematically and comprehensively assesses the effect of private debt buildup on economic growth. In the spirit of Mian, Sufi, and Verner (2017) that separately examine the...