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Methodological Proposals for a Qualitative Evaluation of Italian Durum Wheat Varieties

  • Massimo Alfonso Russo

    ()

  • Roberto Gismondi

    ()

In the complex frame of the EU agriculture politics, a particular relevant aspect is given by the new regulation on durum wheat production and diffusion incentives. These subsidies are assigned according to a particular indicator (Quality Global Index - QGI), built up through a weighted mean of four qualitative parameters. However, the actual method used to evaluate QGI could not be statistically correct. In this work we propose, both from a theoretical and an empirical point of view, a comparison between the actual method and a series of alternative ones. A particular emphasis is given to a normalisation criterion, modified in order to properly take into account the asymmetry level observed on the four parameters empiric distributions.

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Paper provided by Dipartimento di Scienze Economiche, Matematiche e Statistiche, Universita' di Foggia in its series Quaderni DSEMS with number 23-2007.

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Length: 29 pages
Date of creation: Dec 2007
Date of revision:
Handle: RePEc:ufg:qdsems:23-2007
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