Personalized fundraising: A field experiment on threshold matching of donations

We study a form of threshold matching in fundraising where donations above certain are topped up with fixed amount. show theoretically that can induce crowding if appropriately personalized. In field experiment, we explore how thresholds should be chosen depending on past donations. The optimal choice is rather bold, approximately 75% Additionally, set for new donors as function their personal characteristics and demonstrate the benefits personalization opposed to setting general applies all recipients call.