2 papers
stat.ME2026
Generalized projection tests for function-valued parameters with applications to testing structural causal assumptions
Rui Wang, Albert Osom, Bo Zhang
Structural assumptions are central to the causal inference literature. In practice, it is often crucial to assess their validity or to test implications that follow from them. In m…
math.ST2025
GMM with Many Weak Moment Conditions and Nuisance Parameters: General Theory and Applications to Causal Inference
Rui Wang, Kwun Chuen Gary Chan, Ting Ye
Weak identification arises in many statistical problems when key variables exhibit weak correlations-for example, when instrumental variables correlate weakly with treatment, or wh…