First Author:   Rodolfo M. Nayga, Jr. Texas A&M University rnayga@tamu.edu   Department of Ag. Economics, Texas A&M University College Station, 77843-2124, USA   1-979-845-8376(Phone) 1-979-845-8376(Fax) Second Author: Wipon Aiew Texas A&M University wipon@neo.tamu.edu   Department of Ag. Economics, Texas A&M University College Station, 77843-2124, USA       Third Author: Richard Woodward Texas A&M University r-woodward@tamu.edu   Department of Ag. Economics, Texas A&M University College Station, 77843-2124, USA   1-979-845-5864(Phone)