International trade in a differentiated good: Trade elasticities in the world rice market
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In many previous rice trade models, the commodity has been regarded as a homogeneous product. However,
homogeneity is not an appropriate assumption, given the various types of rice that are traded and consumed.
Parameters estimated from these models, therefore, do not reflect the real world market for rice and, hence, may
mislead decision makers who use the results for policy evaluation purposes. This study uses an Armington approach
to model the world rice trade as a differential good market and to derive trade elasticity parameters.