Determining Comparative Advantages of Corn in Optimal Cultivation Pattern
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The purpose of this study is to investigate comparative
advantages of corn in comparison with other competitor
crops. To do so, Linear Programming, to 2004-2005 data related
to classic index (DRC) in Kermanshah province was applied.
Results showed that corn has comparative advantages in all
regions of Kermanshah province while in optimal cultivation
pattern of 37.5 percentages of regions in existence of rotation
and 50 percentages of regions in lack of rotation, corn acreage
has been increased. In addition, comparing optimal cultivation
pattern resulted from linear programming models with crops
ranking based on comparative advantage indices indicated that,
resources availability and limitations, tradable and non-tradable
inputs costs and yield will lead to shift in production’s comparative
advantage from one crop to another. Factors such as supporting
policies and rotation might also have effects on comparative advantages
and optimal cultivating pattern.