A Note on Nonparametric Identification of Distributions of Random Coefficients in Multinomial Choice Models
I prove that the joint distribution of random coefficients and additive errors is identified in a mulltinomial choice model. No restrictions are imposed on the support of the random coefficients and additive errors. The proof uses large support variation in choice-specific explanatory variables following Lewbel (2000) but does not rely on an identification at infinity technique where the payoffs of all but two choices are set to minus infinity.
Document Object Identifier (DOI): 10.3386/w23621
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