Apr 03 2013 Siyi J. Feng   Structural change in US crop yield growth   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Nov 23 2011 Peyton M Ferrier and Amanda M Leister   Trigger Points of the Special Safeguard Mechanism   Abstract  Contact Information  Citation  Full Text  -  Note   Jan 11 2008 Atanu Ghoshray   Asymmetric price adjustment of Ukrainian feed wheat export prices in relation to U.S. maize exports: A Note   Abstract  Contact Information  Citation  Full Text  -  Note   Sep 08 2006 Kristine M. Grimsrud , Robert P. Berrens and Ron C. Mittelhammer   A Mixture Model of Consumers' Intended Purchase Decisions for Genetically Modified Foods   Abstract  Contact Information  Citation  Full Text  -  Note   Oct 08 2001 Atle Guttormsen , Sigbjørn Tveterås and Frank Asche   Aggregation over different qualities: Are there generic commodities?   Abstract  Contact Information  Citation  Full Text  -  Note