Coarse Revealed Preference

32 Pages Posted: 3 Jan 2019

See all articles by Gaoji Hu

Gaoji Hu

Shanghai University of Finance and Economics - School of Economics

Jiangtao Li

Singapore Management University

John Quah

Johns Hopkins University

Rui Tang

Hong Kong University of Science & Technology (HKUST) - Department of Economics

Date Written: December 18, 2018

Abstract

We identify necessary and sufficient conditions under which a coarse data set can be coarsely rationalized by a linear order (or weak order). The conditions are easy to check, and efficient algorithms are provided. We apply our theory to investigate the observable restrictions of several economic models including (1) rational choice with imperfect observation; (2) multiple preferences; (3) monotone multiple preferences; and (4) minimax regret.

Keywords: revealed preference, coarse rationalizability, imperfect observation, multiple preferences, minimax regret

JEL Classification: D11, D81

Suggested Citation

Hu, Gaoji and Li, Jiangtao and Quah, John and Tang, Rui, Coarse Revealed Preference (December 18, 2018). Available at SSRN: https://ssrn.com/abstract=3303602 or http://dx.doi.org/10.2139/ssrn.3303602

Gaoji Hu

Shanghai University of Finance and Economics - School of Economics ( email )

777 Guoding Road
Shanghai, 200433
China

Jiangtao Li (Contact Author)

Singapore Management University ( email )

1 Arts Link, AS2 #06-02
Singapore, Singapore 178903
Singapore

John Quah

Johns Hopkins University ( email )

Baltimore, MD 20036-1984
United States

Rui Tang

Hong Kong University of Science & Technology (HKUST) - Department of Economics ( email )

Clear Water Bay
Kowloon, Hong Kong
China

HOME PAGE: http://ruitang.weebly.com

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