Confidence in Beliefs and Rational Decision Making

40 Pages Posted: 22 Mar 2018 Last revised: 20 Apr 2018

See all articles by Brian Hill

Brian Hill

CNRS; HEC Paris - Economics & Decision Sciences

Date Written: October 3, 2017

Abstract

The standard, Bayesian account of rational belief and decision is often argued to be unable to cope properly with severe uncertainty, of the sort ubiquitous in some areas of policy making. This paper tackles the question of what should replace it as a guide for rational decision making. It defends a recent proposal, which reserves a role for the decision maker’s confidence in beliefs. Beyond being able to cope with severe uncertainty, the account has strong normative credentials on the main fronts typically evoked as relevant for rational belief and decision. It fares particularly well, we argue, in comparison to other prominent non-Bayesian models in the literature.

Keywords: Confidence, Decision Under Uncertainty, Belief, Rationality

JEL Classification: D81, H00

Suggested Citation

Hill, Brian, Confidence in Beliefs and Rational Decision Making (October 3, 2017). HEC Paris Research Paper No. ECO/SCD-2018-1258, Available at SSRN: https://ssrn.com/abstract=3144309 or http://dx.doi.org/10.2139/ssrn.3144309

Brian Hill (Contact Author)

CNRS ( email )

3, rue Michel-Ange
Paris, 75794
France

HEC Paris - Economics & Decision Sciences ( email )

Paris
France

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