Positive Mathematical Programming: a Comparison of Different Specification Rules
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In this paper, the prescriptive capacity of
different types of positive mathematical programming
models applied to the Alentejo agricultural sector is
analysed. Model results are compared for 2000 and 2004
agricultural price and subsidies scenarios, regarding
optimal combination of activities. Thus, it is tested, on
one hand, models capacity to reproduce Alentejo
agricultural sector behaviour, and by the other hand,
their response and adjustment capacities to changes in
prices and in agricultural policy.