The Power of Altruism in Sticker Economics: Generosity Minimizes Collective Costs and Overprotective Norms Fuel Inefficiency

Luana Ferraz Alvarenga, Caetano Alvarenga Costa, César Rennó-Costa

Collecting the FIFA World Cup sticker album presents a classic public-goods and collective-action dilemma, in which completing a collection on one's own is highly inefficient. To e…