no code implementations • 27 Nov 2023 • Sukjin Han, Haiqing Xu
This paper investigates how certain relationship between observed and counterfactual distributions serves as an identifying condition for treatment effects when the treatment is endogenous, and shows that this condition holds in a range of nonparametric models for treatment effects.
no code implementations • 4 Jul 2023 • Zhou Fang, Haiqing Xu
The over-the-counter (OTC) market is characterized by a unique feature that allows market makers to adjust bid-ask spreads based on order size.
no code implementations • 4 Jul 2023 • Zhou Fang, Haiqing Xu
Market making of options with different maturities and strikes is a challenging problem due to its high dimensional nature.
1 code implementation • 21 Feb 2023 • Nora Agah, Brian Evans, Xiao Meng, Haiqing Xu
The primary contribution of this paper is to introduce a novel local ML solution for indoor localization problems.
no code implementations • 20 Mar 2018 • Yu-Chin Hsu, Ta-Cheng Huang, Haiqing Xu
Unobserved heterogeneous treatment effects have been emphasized in the recent policy evaluation literature (see e. g., Heckman and Vytlacil, 2005).