3 papers
econ.TH2025
On Gale's Contribution in Revealed Preference Theory
Yuhki Hosoya
We investigate Gale's important paper published in 1960. This paper contains an example of a candidate of the demand function that satisfies the weak axiom of revealed preference a…
econ.TH2025
A Note on the Continuity of Expected Utility Functions
Yuhki Hosoya
In this paper, we study the continuity of expected utility functions, and derive a necessary and sufficient condition for a weak order on the space of simple probabilities to have…
econ.TH2024
On the Uniqueness and Stability of the Equilibrium Price in Quasi-Linear Economies
Yuhki Hosoya
In this paper, we show that if every consumer in an economy has a quasi-linear utility function, then the normalized equilibrium price is unique, and is locally stable with respect…