We study intertemporal crowding between two fundraising campaigns for the same charitable organization by manipulating …

themselves by distance; fundraising (through matching) for one charity raises checkbook giving to that charity, irrespective of … observability of charities' location such that each donor faces a socially close 'home' and a distant 'away' charity. We find that … distance; but checkbook giving to the unmatched charity is not affected. For lead donors, this implies that the social distance …

In an experiment, we test the impact of quality certificates on donations to a charity. When presented with a quality …

applying to all recipients of a fundraising call. …

of a fundraising call. …

We study intertemporal crowding between two fundraising campaigns for the same charitable organization by manipulating … manipulations no longer have an effect. When receiving a second fundraising call, donors learn that also future repetitions may …

In a n experiment, we test the impact of quality certificates on donation s to a charity. Compared to the control group … charity . The choice of donation values over time shows strong persistence such that the difference between the two groups …

observations. Specifically, these axioms imply that interdependence of preferences ("altruism") results from concerns for the …-givers, altruistic givers, or social pressure givers and use welfare-based altruism to reliably predict giving, sorting, and taking …