Do Public Matching Funds and Tax Credits Encourage Political Contributions? Evidence from Three Field Experiments Using Nonpartisan Messages

Abstract We report the results of three field experiments that provided nonpartisan information about municipal- and state-level incentives for making political contributions to potential donors. Our experiments examine two types of contribution incentive programs, public matching funds and tax credits, in three different jurisdictions: New York City, Virginia, and Ohio. We find that providing information about matching funds and tax credits has negligible effects on both the probability that an individual will make a contribution and the amount that an individual donates. Our findings suggest that publicizing contribution incentive programs using nonpartisan messages does little to enhance the pool of new donors. Our research leaves open the possibility that contribution incentive programs, and donation matching programs in particular, may nonetheless affect campaign behavior and encourage campaigns to pursue more small donors.