6 papers
Piece-wise linear isotonic regression
Timo Kuosmanen, Juan F. Monge, José L. Ruiz +1
Isotonic regression provides a flexible, tuning-free approach to estimating monotonic functions without imposing global curvature constraints, yet the estimated regression function…
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…
Secondary materials, Pigouvian taxes, and a monopsony
Timo Kuosmanen, Xun Zhou
Secondary materials present promising opportunities for firms to repurpose emissions into marketable goods, aligning with circular economy principles. This paper examines condition…
Axiomatic modeling of fixed proportion technologies
Xun Zhou, Timo Kuosmanen
Understanding input substitution and output transformation possibilities is critical for efficient resource allocation and firm strategy. There are important examples of fixed prop…
Overfitting Reduction in Convex Regression
Zhiqiang Liao, Sheng Dai, Eunji Lim +1
Convex regression is a method for estimating the convex function from a data set. This method has played an important role in operations research, economics, machine learning, and…
Economic growth of cities: Does resource allocation matter?
Sheng Dai, Timo Kuosmanen, Zhiqiang Liao
We study how efficient resource reallocation across cities affects potential aggregate growth. Using optimal resource allocation models and data on 284 China's prefecture-level cit…