Capturing structural changes in French meat and fish demand over the period 1991–2002

Capturing structural changes in French meat and fish demand over the period 1991–2002

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Article ID: iaor20084467
Country: United Kingdom
Volume: 34
Issue: 4
Start Page Number: 517
End Page Number: 538
Publication Date: Dec 2007
Journal: European Review of Agricultural Economics
Authors: ,
Keywords: markov processes, behaviour
Abstract:

A time-varying coefficient demand system, the Markov switching almost ideal demand model, is proposed to shed new light on change over time in the structure of French meat and fish demand. The main feature of this model is that the switching mechanism from one structure of demand to the other is controlled by an unobserved variable that follows a Markov chain. Our model accurately captures the two Bovine Spongiform Encephalopathy (BSE) crises of recent years. We estimate that the 1996 BSE crisis lasted almost three years, whereas the second BSE crisis just lasted for five 4-week periods.

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