Power-law distribution in Japanese racetrack betting

Takashi Ichinomiya

Physica A: Statistical Mechanics and its Applications, 2006, vol. 368, issue 1, 207-213

Abstract: Gambling is one of the basic economic activities that humans indulge in. An investigation of gambling activities provides deep insights into the economic actions of people and sheds lights on the study of econophysics. In this paper we present an analysis of the distribution of the final odds of the races organized by the Japan Racing Association. The distribution of the final odds Po(x) indicates a clear power-law Po(x)∝1/x, where x represents the final odds. This power-law can be explained on the basis of the assumption that every bettor bets his money on the horse that appears to be the strongest in a race.

Keywords: Econophysics; The efficient market; Scaling (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:368:y:2006:i:1:p:207-213

DOI: 10.1016/j.physa.2005.12.027

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