3 papers
econ.EM2026
Long-Term Causal Inference with Many Noisy Proxies
Apoorva Lal, Guido Imbens, Peter Hull
We propose a method for estimating long-term treatment effects with many short-term proxy outcomes: a central challenge when experimenting on digital platforms. We formalize this c…
econ.EM2025
Nonparametric Identification of Demand without Exogenous Product Characteristics
Kirill Borusyak, Jiafeng Chen, Peter Hull +1
We study identification of differentiated product demand from market-level data when product characteristics can be endogenous. Past work suggests nonparametric identification may…
econ.EM2025
Estimating Demand with Recentered Instruments
Kirill Borusyak, Mauricio Caceres Bravo, Peter Hull
We develop a new approach to estimating flexible demand models with exogenous supply-side shocks. Our approach avoids conventional assumptions of exogenous product characteristics,…