“…In the revealed preference literature, hedonic price models [8,41,42,12,27], demand system [47] and case study [39] approaches have been used to estimate relative values for seafood product attributes such as catch method, fishing gear choice, country of origin, product color (of salmon), and environmental sustainability. The two articles most relevant to our paper are Roheim et al [41] applying an hedonic price function approach to scanner data on the sale of frozen, processed Alaskan Pollock in the London metropolitan market to estimate a statistically significant price premium for Marine Stewardship Council certification, and…”