The potential economic incentives in sumo wrestling could be related to the wrestler's ranking. Higher-ranked wrestlers might be bribed to lose a fight in favor of a competitor who would otherwise not advance. This is because rankings, which are determined by the number of wins at bimonthly tournaments, dictate every aspect of a wrestler's life. Therefore, a win in a crucial bout could significantly improve a wrestler's ranking and, consequently, his economic status.
Author Steven Levitt, working with journalist Stephen Dubner, shows how economic theories can be use...
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