The Affordable Care Act (ACA) is one of the most important reforms of the US health insurance system since the introduction of Medicare. Since employment is a main source of health insurance for the working age population in the United States, this sweeping health insurance reform also has...

We empirically test whether the Department of Justice (DOJ) engages in ethnic prejudice against Chinese in its prosecutorial decisions under the Economic Espionage Act (EEA) of 1996. Using data of EEA cases from November 1996 to June 2021, we conduct Becker's outcome test for evidence of ethnic...

We study the labor markets in China and the United States, the two largest economies in the world, by examining the evolution of their cross-sectional age-earnings profiles during the past thirty years. We find that, first, the peak age in the cross-sectional age-earnings profiles, which we...

The standard economic model of police stops implies that the contraband hit rate should rise when the number of stops or searches per officer falls, ceteris paribus. We provide empirical corroboration of such optimizing models of police behavior by examining changes in stops and frisks around...

The United States has experienced a significant decline in labor unions over the past half-century. We examine the aggregate labor market impact of labor unions, the causes of their decline, and their welfare and distributional consequences, accounting for unions' effects on wages and employers'...