We hand-collect information describing all 3,055 antitrust lawsuits brought by the Department of Justice (DOJ) between 1971 and 2018. Using confidential U.S. Census microdata, we show that DOJ lawsuits targeting past anticompetitive conduct in local industries cause a persistent 5.4% increase in...

Governments increasingly use changes in tax rules to combat evasion. We develop a general approach to point-identify tax compliance along with supply and demand elasticities; identification requires data on prices and quantities before and after changes in tax enforcement and a demand or supply...