2 papers
econ.TH2026
A Note on Market Segmentation and Bertrand Competition
Zhang Xu, Mingsheng Zhang, Wei Zhao
In this note, we show that equilibrium profit is zero in Bertrand competition with a finite number of firms and consumers whose willingness to pay are bounded, under any market seg…
econ.GN2025
Artificial Intelligence, Data and Competition
Zhang Xu, Mingsheng Zhang, Wei Zhao
This paper examines how data inputs shape competition among artificial intelligences (AIs) in pricing games. The dataset assigns labels to consumers and divides them into different…