In a 15-round sumo tournament, a 7-7 record implies that the wrestler has a crucial final bout. If the wrestler wins this bout, they can advance in their ranking. This situation can lead to potential economic incentives, such as higher-ranked wrestlers being bribed to lose a fight, helping the 7-7 wrestler to advance. However, there are also strong moral and social incentives within the sumo community that may influence the outcome.
Author Steven Levitt, working with journalist Stephen Dubner, shows how economic theories can be use...
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