ALTRUISM AND VOLUNTARY PROVISION OF PUBLIC GOODS
by
LEANNE MA, KATERINA SHERSTYUK, MALCOLM DOWLING AND OLIVER HALL
JULY 2000
Department of Economics. University of Melbourne. Melbourne Victoria 3010 Australia
ABSTRACT
We study how people's predisposition towards altruism, as measured by tools developed by psychologists, affects their behaviour in a voluntary contributions public good environment. Earlier experiments provide evidence against the strong free rider hypothesis; however, contributions to the public good decrease with repetition. We investigate whether a high level of contributions can be sustained in groups of subjects who have been pre-selected on the basis of their altruistic inclinations. In the first stage of the experiment, each subject responds to a psychology questionnaire that measures various dimensions of one's personality. The subjects are then matched in groups according to their altruism scores, and engage in a voluntary contribution game. We consider whether the levels and dynamics of group contributions differ significantly between the groups with altruists and non-altruists. We find that subjects' altruism has a weak but positive effect on group behaviour in the public good game.
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