In the sumo wrestling community, the moral and social incentives are tied to the high stakes of winning or losing. Higher-ranked wrestlers may feel a moral obligation to assist those at risk of falling back in the rankings. The social incentives could be related to maintaining harmony and respect within the tight-knit community. These incentives are in addition to any potential economic incentives, such as bribes to throw a fight.
Author Steven Levitt, working with journalist Stephen Dubner, shows how economic theories can be use...
View summary