An Examination of Trends in Geographic Concentration in U.S. Hog Production: 1974 to 1976

Posted: 22 Dec 1999

Abstract

Geographic concentration in U.S. hog production from 1974 to 1996 is investigated using a measure based on Theil's entropy index. For the U.S. as a whole, geographic concentration is occurring at a slow rate, both for hog farms and hog numbers. However, for particular states,primarily in the new Southern Atlantic production region, concentration is high and increasing at a rapid pace. Concentration was increasing for the 23-year period for 16 out of the 20 states in the analysis. Results indicate that geographic concentration by augmentation is occurring to the greatest degree in Arkansas, Missouri, North Carolina, Oklahoma, and Pennsylvania.

JEL Classification: Q10, R12, R14

Suggested Citation

Hubbell, Bryan J., An Examination of Trends in Geographic Concentration in U.S. Hog Production: 1974 to 1976. Available at SSRN: https://ssrn.com/abstract=143857

Bryan J. Hubbell (Contact Author)

U.S. EPA ( email )

MD504-02
RTP, NC 27711
United States
919-541-0621 (Phone)
919-541-0839 (Fax)

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