2 papers
econ.EM2026
Nested Pseudo-GMM Estimation of Demand for Differentiated Products
Victor Aguirregabiria, Hui Liu, Yao Luo
We propose a fast algorithm for computing the GMM estimator in the BLP demand model (Berry, Levinsohn, and Pakes, 1995). Inspired by nested pseudo-likelihood methods for dynamic di…
econ.EM2025
Demand Analysis under Price Rigidity and Endogenous Assortment: An Application to China's Tobacco Industry
Hui Liu, Yao Luo
We observe nominal price rigidity in tobacco markets across China. The monopolistic seller responds by adjusting product assortments, which remain unobserved by the analyst. We dev…