Abstract
Two propositions based on the observations and deductions of Fred H. Gluckstein are tested, both relating to parimutuel behavior. Because they were originally pronounced with emphatic certitude, they were never seen as speculations or theories—they were Gluck's Laws. The first proposition, that weekday bettors bet better was supported: the within-race rank-order correlations between parimutuel odds and order of finish were .57 and .42 for weekday and weekend races, respectively. The second proposition, that favorites tend to be avoided in the last race (bettors trying to recoup their losses), was strongly supported. Moderator variables are discussed; suggestions are offered for research.
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