3 papers
econ.GN2025
Paradoxes of the public sector productivity measurement
Timo Kuosmanen, Xun Zhou
This paper critically investigates standard total factor productivity (TFP) measurement in the public sector, where output information is often incomplete or distorted. The analysi…
cs.LG2025
Data-Driven Exploration for a Class of Continuous-Time Indefinite Linear--Quadratic Reinforcement Learning Problems
Yilie Huang, Xun Yu Zhou
We study reinforcement learning (RL) for the same class of continuous-time stochastic linear--quadratic (LQ) control problems as in \cite{huang2024sublinear}, where volatilities de…
stat.ME2025
Orthogonality conditions for convex regression
Sheng Dai, Timo Kuosmanen, Xun Zhou
Econometric identification generally relies on orthogonality conditions, which usually state that the random error term is uncorrelated with the explanatory variables. In convex re…