Following a call for nominations in January, the NBER has appointed 65 new affiliates: 16 Research Associates and 49 Faculty Research Fellows. In addition, two Faculty Research Fellows have been ...

This paper quantifies the environmental externalities associated with electricity consumption by data centers in the United States, focusing on damages from local air pollution and greenhouse gas (GHG ...

This paper studies the impact of birthright citizenship on youth crime. We leverage a German reform which automatically granted birthright citizenship to eligible immigrant children born in Germany ...

The American Economic Association (AEA) has named four new Distinguished Fellows, three of whom, Marjorie McElroy, N. Gregory Mankiw and Robert A. Margo , have long-standing ties to the NBER.

We study the macroeconomic effects of tariff policy using U.S. historical data from 1840–2024. We construct a narrative series of plausibly exogenous tariff changes – based on major legislative ...

We examine the financial consequences of the 2007 California Fair Pricing Law, which places a price ceiling on hospital bills for financially vulnerable individuals. Using cross-sectional variation in ...

Using a multi-sided matching equilibrium, we show that whether they exit or engage depends on whether social harm scales with productivity. When harm is uncorrelated—an implicit assumption in most ...

Using a two-stage randomization design, we tested two types of weekly SMS messages: growth-mindset encouragement and personalized performance information. We find two main effects: First, outreach ...

Exploiting the staggered roll-out of China’s national air monitoring network, we document a pollutant substitution effect: PM.

We develop a dynamic general equilibrium model with a rational asset bubble and an occasionally binding borrowing constraint that reproduces these empirical regularities. The bubble raises collateral ...

There is widespread opposition to affirmative action policies. We study whether personal disappointments shape preferences for such policies. Specifically, we test whether individuals' college ...

Electricity reliability is a central challenge for the energy transition, as growing energy demand, renewable energy integration, and natural disasters increase the risk of large-scale black- outs.