This paper examines the U.S. Supreme Court's 2010 Citizens United decision, which lifted bans on independent expenditures by corporations and unions. Using a difference-in-differences design, the study compares states with and without pre-existing bans, focusing on gubernatorial elections. The...

Pork-barrel spending is the use of federal money for localized projects that yield only a narrow geographic benefit. It is a commonly held belief that politicians use this spending to improve their chances of re-election. One way that an incumbent can increase their chances of re-election is...