2 papers
econ.EM2026
Improving on a Lottery: Efficient Estimation of Optimal Assignment Rules
Yue Fang, Geert Ridder, Haitian Xie
Scarce opportunities are often allocated by lotteries. We study how to improve such allocations by estimating optimal assignment rules that maximize welfare net of a Kullback--Leib…
econ.EM2025
The Exact Variance of the Average Treatment Effect Estimator in Cluster Randomized Controlled Trials
Yue Fang, Geert Ridder
In cluster randomized controlled trials (CRCT) with a finite populations, the exact design-based variance of the Horvitz-Thompson (HT) estimator for the average treatment effect (A…