Simple belief elicitation: An experimental evaluation

Author(s)
Karl Schlag, James Tremewan
Abstract

We present a method for eliciting beliefs about probabilities when multiple realisations of an outcome are available, the "frequency" method. The method is applicable for any reasonable utility function. Unlike existing techniques that account for deviations from risk-neutrality, this method is highly transparent to subjects and easy to implement. Rather than identifying point beliefs these methods identify bounds on beliefs, thus trading off precision for generality and simplicity. An experimental comparison of this method and a popular alternative, the Karni method, shows that subjects indeed find the frequency method easier to understand. Significantly, we show that confusion due to the complexity of the Karni method leads to less cognitively able subjects erroneously stating a belief of 50%, a bias not present in the frequency method.

Organisation(s)
Department of Economics
External organisation(s)
University of Auckland
Journal
Journal of Risk and Uncertainty
Volume
62
Pages
137 - 155
No. of pages
19
ISSN
0895-5646
DOI
https://doi.org/10.1007/s11166-021-09349-6
Publication date
04-2021
Peer reviewed
Yes
Austrian Fields of Science 2012
502057 Experimental economics, 502021 Microeconomics
Keywords
ASJC Scopus subject areas
Economics and Econometrics, Accounting, Finance
Portal url
https://ucris.univie.ac.at/portal/en/publications/simple-belief-elicitation-an-experimental-evaluation(fbb89f81-025c-49bf-b26d-52dba6d01fc9).html