Heger, Stephanie A.; Slonim, Robert - 2022
Guided by Bem's (1972) self-perception theory, we design an experiment to ask whether morally-motivated behaviour, e ….g., charitable giving, is history-dependent. Using a popular policy nudge, the default option, we exogenously vary altruism "now" and … show that giving “now” causes a 66%- 200% increase in the probability of giving "later"; that is, altruism begets altruism …