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Seasonally and spatially varying demand elasticities would provide important information to seafood producers and marketers as well as policy makers. We analyzed the effects of season and space on (i) demand (translation effects) and (ii) price as well as expenditure elasticities of demand (scaling effects) for 13 finfish species in the United States. The paper used market‐level scanner data for 52 U.S. markets. Results suggest that not only the quantity demanded, but also the demand elasticities vary across species, seasons, and geography; not only does the degree of competition among finfish products vary considerably over space, but substituting products themselves change. These results highlight the importance of studying consumer demand behavior at species level, across seasons and geography, particularly as it sheds important light on some important policy issues such as the potential substitution between catfish and tilapia in the U.S. markets.

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This study compares price transmission behaviors between pre‐ and post‐EPA (Energy Policy Act) periods to investigate the impact of increased production of corn ethanol on price transmission behaviors between five regional fed cattle markets in the United States: Colorado, Iowa‐Minnesota, Kansas, Nebraska, and Texas‐Oklahoma. Econometric models used in this study consider potential nonlinearity and asymmetry in price transmissions using threshold autoregression and threshold error correction methods, and generalized impulse response functions. Overall, the surge of corn ethanol production after the EPA enactment appears to lead lower integration and slower price adjustment between markets, particularly between noncorn‐belt and corn‐belt markets. Our analysis also finds strong evidence of the existence of threshold effects and limited evidence of asymmetric price responses in the short and long run for both pre‐ and post‐EPA periods. [EconLit citations: C32, Q13].

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