Financial markets exhibit an asymmetric news effect with unexpected low prices generating more price volatility than quot;newsquot; of high prices. The present study examines US food markets for such asymmetric news effects. Analysis of 25 years of monthly data for 45 retail food items shows...

Using a simple market model and Frisch's duality relation, this report develops propositions about the relationship between advertising and the market demand elasticity that may prove useful in empirical research. In particular, we find that a parallel shift in a linear demand function always...

The generalised demand specification of Barten and Eales et al. is used to estimate the world demand curves faced by major exporters of farmed salmon. Results suggest that the demand for farmed salmon has become less price elastic over time, fresh salmon from the UK faces the most competition in...