Li, Wei; Qiu, Bin; Wang, Zi; Zeng, Yanbo; Zi, Yuan - 2022
We revisit the Armington model developed by Feenstra et al. (2018) that allows the elasticity of substitution between … production, exactly the same set of data used for counterfactual analysis. Our estimates suggest that the elasticity of … that imposing a uniform elasticity of substitution across all varieties would lead to (i) considerable underestimation of …