Steroids and Home Runs

23 Pages Posted: 21 Mar 2011

Date Written: March 17, 2011


There has been no change in Major League Baseball home run hitting for 45 yr, in spite of the new records. Players hit with no more power now than before. Records are the result of chance variations in at bats, home runs per hit, and other factors. The clustering of records is implied by the intermittency of the law of home runs. Home runs follow a stable Paretian distribution with infinite variance. The shape and scale of the distribution have not changed over the years. The greatest home run hitters are as rare as great scientists, artists, or composers.

JEL Classification: A10, C02, C16, C52, L51

Suggested Citation

De Vany, Arthur S., Steroids and Home Runs (March 17, 2011). Economic Inquiry, Vol. 49, Issue 2, pp. 489-511, 2011, Available at SSRN: or

Arthur S. De Vany (Contact Author)

University of California ( email )

3151 Social Science Plaza
Institute for Mathematical Behavioral Sciences
Irvine, CA 92697-5100
United States
949-509-9207 (Phone)


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