2 papers
econ.EM2026
A Stochastic Nested Fixed Point Algorithm for Large-Scale BLP Estimation
Zhentong Lu, Myung Hwan Seo, Youngki Shin +1
We develop a stochastic nested fixed point (SNFP) estimator for random coefficients logit demand models that updates model parameters using stochastic gradients and performs demand…
econ.EM2025
Estimating Discrete Choice Demand Models with Sparse Market-Product Shocks
Zhentong Lu, Kenichi Shimizu
When credible instruments are scarce or estimates hinge on instrument choice, an alternative to the leading Berry--Levinsohn--Pakes (BLP) approach to demand estimation with aggrega…