Wiborg, Torben; McCarl, Bruce A.; Rasmussen, Svend; … - European Association of Agricultural Economists - EAAE - 2005
All agricultural sector models must deal with aggregation and calibration somehow. The aggregation problem involves … treating a group of producers as if they all responded in the same way as a single representative unit. The calibration problem … shows how both calibration and aggregation are addressed through crop mix restrictions combined with marginal profit adjust-ments. …