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econ.TH2025
Measuring Hidden Consumer Heterogeneity with Revealed Preferences
Avner Seror
Consumer heterogeneity in revealed-preference data is larger than bilateral rationality tests can reveal. We construct a continuous nonparametric metric of this hidden heterogeneit…
econ.TH2024
Concave Rationalization with an Ideal Point: An Afriat Theorem and an Application to Survey Design
Avner Seror
This paper develops an Afriat-type characterization of concave rationalization with an unknown ideal point. We show that, for each candidate peak, a finite system of linear inequal…