Steven D. Levitt Quote

Trying to keep a public men’s room clean? Sure, go ahead and put up signs urging people to pee neatly—or, better, paint a housefly on the urinal and watch the male instinct for target practice take over.

Steven D. Levitt

Trying to keep a public men’s room clean? Sure, go ahead and put up signs urging people to pee neatly—or, better, paint a housefly on the urinal and watch the male instinct for target practice take over.

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