We document the evolution of markups based on firm-level data for the US economy since 1950. Initially, markups are stable, even slightly decreasing. In 1980, average markups start to rise from 18% ...
We provide the first ex post microeconomic welfare analysis of the electric vehicle (EV) tax credits in the Inflation Reduction Act (IRA). Relative to pre-IRA policy, the credits generated $1.96 in ...
Schools across the U.S. have sharply restricted student use of phones during the school day. We evaluate one type of restriction—lockable phone pouches—using nationwide data combining large-scale ...
We provide the first causal, national empirical analysis of the labor market impacts of heightened immigration enforcement during the second Trump administration. Enforcement increased everywhere, but ...
This bias is strong enough that regularization of prompt instructions cannot fully address this form of overfitting. We further show that the bias can arise from users’ unintentional conversational ...
Yet little rigorous evidence exists on whether behavior management can serve as a lever for academic improvement. We evaluate a program that shifts responsibility for establishing behavioral norms and ...
AlphaFold can predict these structures without running experiments. In July 2021, researchers gained access to hundreds of thousands of these AI-predicted structures virtually overnight. Yet, to date, ...
This chapter examines how schools cultivate socio-emotional skills that influence both individual success and broader social cohesion. Moving beyond the traditional focus on cognitive ability, I argue ...
In December 2025, Australia became the first country to ban youth under 16 years old from holding accounts on major social media platforms, a policy now under consideration in more than a dozen ...
The share of the global population living in extreme poverty fell dramatically from an estimated 36% in 1990 to 9% in 2015. We describe how this decline happened: the extent to which changes within as ...
Science, Technology, Engineering, and Math (STEM) jobs are a key contributor to economic growth and national competitiveness. Yet STEM workers are perceived to be in short supply. This paper shows ...
We argue that the relative price of materials is an important determinant of the labor share of income. When materials and primary inputs are complements and the profit share is positive, a higher ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results