crowd out a consumer's self-inference of altruism from buying a good bundled with a charitable donation. Alternative … theories of motivation crowding are unable to fit the non-monotonic moments in the data. A structural model of self …

effectiveness, whereas small prior donors decrease their giving. We motivate the analysis and experiment with a theoretical model … that highlights two predictions. First, larger gift amounts, holding education and income constant, is a proxy for altruism …). Second, those motivated by altruism will respond positively to appeals based on evidence, whereas those motivated by warm …