Feb 09 2018 John C. Whitehead , O. Ashton Morgan and William L. Huth   Convergent validity of stated preference methods to estimate willingness-to-pay for seafood traceability: The case of Gulf of Mexico oysters   Abstract  Contact Information  Citation  Full Text  -  Note   Oct 26 2011 Elodie Rouviere and Raphael Soubeyran   Competition vs. quality in an industry with imperfect traceability.   Abstract  Contact Information  Citation  Full Text  -  Note