Professor, School of Economic Sciences & Paul G. Allen School for Global Animal Health, Washington State University

Hulbert 203H, Pullman WA 99164


Thomas L. Marsh is an internationally recognized expert in agricultural economics and trade. He uses quantitative methods to evaluate the effects of policy and intervention on markets.

Dr. Marsh’s primary research is in:
How public food-safety information influences consumer demand.
Measuring the impact of livestock diseases (including bovine spongiform encephalopathy, foot-and-mouth disease, and E. coli) on human welfare and trade.
Gauging the outcomes of policy responses.
In addition to his professorial roles in the School of Economic Sciences and the Paul G. Allen School for Global Animal Health, he directs the IMPACT Center at WSU. The IMPACT Center seeks to address economic, social, political, and technical problems that affect the competitiveness of Washington’s agriculture and related sectors.