Modelling the Cyclical Behaviour of Wine Production in the Douro Region Using a Time-Varying Parameters Approach
AbstractThis paper investigates the cyclical behaviour of the wine production in Portugal’s Douro region during the period of 1932 to 2008. In general, wine production is characterised by large fluctuations. These fluctuations may cover the existence of deterministic cycles. Hence, in this paper, we decompose the wine production’s variance in order to find the dominating production cycles In the next step we try to explain those cycles using a dependent variable, namely the medium spring temperature for the period 1967 to 2008. We estimated a Time-Varying Autoregressive Model, which could explain 76% of wine variability (R2=0.76; n=69; p
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Bibliographic InfoPaper provided by International Network for Economic Research - INFER in its series Working Papers with number 2010.1.
Length: 27 pages
Date of creation: 2010
Date of revision:
Spectral Analysis; Time-varying spectra; Kalman filter; Wine forecast; Port Wine; Climate variability;
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