The hot stove effect in repeated-play decision making under ambiguity

Takemi Fujikawa ()

MPRA Paper from University Library of Munich, Germany

Abstract: The ''hot stove effect'' has been studied for repeated-play decision making under uncertainty (also referred to as experience-based decision making) in which the decision makers repeatedly face the Allais-type binary choice problems, and have to learn about the outcome distributions through sampling as the decision makers are not explicitly provided with prior information on the payoff structure. The previous studies have found mixed evidence: some studies have found that the hot stove effect is strong in repeated-play decision making under uncertainty, while other studies have found that the effect is weak. Thus, the evidence is inconsistent. This paper reports an experimental investigation of the hot stove effect in repeated-play decision making under ambiguity. The current experiment involves an ambiguity treatment in which (1) the participants perform two binary repeated-play choice problems, each involving 400-fold choice between a risky option and a riskless option; and (2) in each problem, there are two states of nature available: a favourable state and an unfavourable state, but only one of them obtains on any given trial. The realisation of the actual state is not disclosed to the participants, thus they would be expected to discover the actual state through sampling with immediate feedback. The current results suggest that the magnitude of the hot stove effect is significantly different between repeated-play decision making under uncertainty and repeated-play decision making under ambiguity. I shall show that the hot stove effect is attenuated in repeated-play decision making under ambiguity.

Keywords: Allais-type choices; decisions from experience; risk; uncertainty (search for similar items in EconPapers)
JEL-codes: C91 D83 (search for similar items in EconPapers)
Date: 2009-10-03
New Economics Papers: this item is included in nep-cbe, nep-exp and nep-upt
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