• Ph.D. Agricultural Economics, University of California, Davis, 1990
• M.S. Applied Economics, Montana State University, 1984
• B.S. Economic Science, Montana State University, 1982

Dr. Roheim's research program broadly covers the area of seafood marketing and international trade in fisheries products. Most recently a focus has been on consumer demand for seafood from sustainable fisheries and aquaculture production, or ecolabeled seafood, and changes in trade policies on the sustainability of fisheries and practices in aquaculture.

Trade Liberalization In Fish Products: Impacts on Sustainability of International Markets and Fish Resources	Trade and Marketplace Measures to Promote Sustainable Fishing Practices
Product certification and ecolabelling for fisheries sustainability	US Consumer Preferences For Ecolabeled Seafood

• Roheim, C., L. Gardiner and F. Asche. "Value of Brands and Other Attributes: Hedonic Analysis of Retail Frozen Fish in the UK." Marine Resource Economics, forthcoming.
• Johnston, R.J. and C. Roheim. 2006. "A Battle of Taste and Environmental Convictions for Ecolabled Seafood: A Contingent Ranking Experiment." Journal of Agricultural and Resource Economics. 31(2): 283-300.
• Johnston , R.J., C. Roheim, D. Joglekar, and R. Pomeroy, forthcoming. “Estimating Preferences for Non-Market Attributes of Aquaculture and Sustainable Seafood Production: Methods and Empirical Applications.” International Journal of Environment and Pollution.
• Myrland, Ö., P. Emaus, C. Roheim and H. Kinnucan. 2004. “Promotion and Consumer Choices: Analysis of Advertising Effects on the Japanese Market for Norwegian Salmon,” Aquaculture Economics and Management, 8:1-19.
• Kinnucan,H., F. Asche, Ø. Myrland, and C. Roheim. 2003. “Advances in Economics of Marketing and Implications for Aquaculture Development,” Aquaculture Economics and Management, 7:35-53.
• Wessells, Cathy Roheim.2002. "The Economics of Information: Markets for Seafood Attributes," Marine Resource Economics , 17:153-162.
• Mariojouls, C. and C. Roheim Wessells. 2002. “Certification and Quality Signals in the Aquaculture Sector in France,” Marine Resource Economics, 17:175-180.
• Asche, Frank, Helge Bremnes and Cathy R. Wessells. 2001. “Product Aggregation, Market Integration and Relationships between Prices: An Application to World Salmon Markets; Reply,” American Journal of Agricultural Economics , (84)3:1090-1092.
• Johnston, Robert J., C.R. Wessells, H. Donath, and F. Asche. 2001. “A Contingent Choice Analysis of Ecolabeled Seafood: Comparing Consumer Preferences in the United States and Norway,” Journal of Agricultural and Resource Economics, 26(1):20-39.
• Gudmundsson, Eyjolfur and Cathy R.Wessells. "Ecolabeling Seafood for Sustainable Production: Implications for Fisheries Management," Marine Resource Economics , 15(2000):97-113.
• Wessells, Cathy R., Robert J. Johnston, and Holger Donath. "Assessing Consumer Preferences for Ecolabeled Seafood: The Influence of Species, Certifier and Household Attributes," American Journal of Agricultural Economics , 81(1999): 1084-1089.