摘要 : This paper addresses the importance of different product forms and their origin when considering the market structure in the EU salmon market. The demand for fresh Atlantic, frozen Atlantic and frozen Pacific salmon is estimated u... 展开 This paper addresses the importance of different product forms and their origin when considering the market structure in the EU salmon market. The demand for fresh Atlantic, frozen Atlantic and frozen Pacific salmon is estimated using an almost ideal demand system with quarterly import data for the period 1984(1)-1992(4). The compensated own-price elasticities indicate that both fresh Atlantic salmon and frozen Pacific salmon are price inelastic, while frozen Atlantic salmon is price elastic. Freshand frozen Atlantic salmon are expenditure elastic, while frozen Pacific salmon seems to be an inferior good in the latter part of the period studied. This is probably caused by the strong expansion in the demand for frozen Atlantic salmon, while the demand for frozen Pacific salmon has remained fairly stable. The compensated cross- price elasticities indicate that all product forms are significant substitutes for each other. 收起