Luther Yap

Welcome

Hi! I am a PhD candidate in Economics at Princeton University. My research interest is econometrics. I will be going to the Department of Economics at the National University of Singapore (NUS), first as a Presidential Fellow from July 2025 and then as an Assistant Professor from July 2027.

Working Papers

Inference with Many Weak Instruments and Heterogeneity (April 2025) Latest Draft Implementation Code

Build to Order: Endogenous Supply in Centralized Mechanisms (with Andrew Ferdowsian and Kwok-Hao Lee) (April 2025) Draft

Clustering with Potential Multidimensionality: Inference and Practice (with Ruonan Xu) (January 2025) Draft

Two-Stage Differences in Differences (with John Gardner, Neil Thakral, and Linh To) (May 2024) Draft

Sensitivity Analysis for Linear Estimators (with Jacob Dorn) (April 2024) Draft

The Dynamic Allocation of Public Housing: Policy and Spillovers (with Andrew Ferdowsian and Kwok-Hao Lee) (January 2024) Draft

What to do when you can’t use ‘1.96’ Confidence Intervals for IV (with David S. Lee, Justin McCrary, Marcelo J. Moreira, and Jack R. Porter) (November 2023) NBER Draft Supplement

Robust Conditional Wald Inference for Over-Identified IV (with David S. Lee, Justin McCrary, Marcelo J. Moreira, and Jack R. Porter) (November 2023) Draft

Valid Wald Inference with Many Weak Instruments (November 2023) Draft

Accepted Papers

Asymptotic Theory for Two-Way Clustering (March 2025) Latest Draft arXiv (Accepted at Journal of Econometrics)

Sensitivity Analysis of Policy Relevant Treatment Parameters to Violations of Monotonicity (February 2025) Latest Draft (Accepted at Journal of Applied Econometrics)