We develop a stochastic parameter approach to model the time-varying impacts of food scares on consumption, as an alternative to the inclusion of news coverage indices in the demand function. We empirically test the methodology on data from four food scares, the 1982 heptachlor milk...

This article assesses the impact on agribusinesses of the United Kingdom Government's announcement of a possible link between Bovine Spongiform Encephalopathy and human health. Three approaches are employed to derive benchmark models against which abnormal returns are estimated, a simple market...

Event studies (ESs) can be applied to evaluate the impact of new regulations on the value of listed firms. However, regulatory changes are preceded by consultation processes and anticipations to the shareholders, which make it difficult to determine the exact timing of stock price response and...