International pork trade and foot-and-mouth disease

Shang Ho Yang, Michael Reed, Sayed Saghaian

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


International pork trade has been affected by two conflicting effects in recent years: lower trade barriers because of free trade agreements and trade disruptions caused by disease outbreaks. This study investigates how global pork trade is affected by foot-andmouth disease among major exporting/importing countries. The 41 countries included in this analysis account for 99% of world pork exports and 92% of world pork imports. A Pseudo Poisson Maximum Likelihood (PPML) estimator with a series of controlled fixed effects in the gravity equation was utilized. Results were statistically confirmed that pork exports fall when an exporting country reports foot-and-mouth disease. Exporters with a vaccination policy suffer larger negative impacts than those with a slaughter policy. Pork importers that report FMD and institute a slaughter policy will import more pork, but importers with a vaccination policy will import less pork.

Original languageEnglish
Title of host publicationEmerging Issues in Global International Agricultural Trade and Development
Number of pages19
ISBN (Electronic)9781634855860
StatePublished - Jan 1 2016


  • Foot-and-mouth disease
  • Gravity model
  • Pork exports
  • Regional trade agreement
  • Zero-valued trade

ASJC Scopus subject areas

  • Economics, Econometrics and Finance (all)
  • Business, Management and Accounting (all)


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