The reaction of live hog futures prices to usda hogs and pigs reports

Phil L. Colling, Scott H. Irwin

Research output: Contribution to journalArticlepeer-review

Abstract

Strong concerns about how efficiently live hog futures prices react to U.S. Department of Agriculture Hogs and Pigs Reports have been raised by livestock producer groups. Using market survey data, direct tests of the efficient markets hypothesis are performed for the live hog futures market. Two-limit tobit models account for institutional price limits. Results support the efficient market hypothesis in that live hog futures prices (a) do not react to anticipated changes in reported information, (b) do react significantly and in the expected direction to unanticipated changes in reported information, and (c) generally adjust to unanticipated information on the day following release of the reports.

Original languageEnglish (US)
Pages (from-to)84-94
Number of pages11
JournalAmerican Journal of Agricultural Economics
Volume72
Issue number1
DOIs
StatePublished - Feb 1990
Externally publishedYes

Keywords

  • Efficient market hypothesis
  • Expected information
  • Survey data
  • Two-limit tobit model
  • Unanticipated information

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Economics and Econometrics

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