Noisy signaling: Theory and experiment
AbstractWe introduce noise in the signaling technology of an otherwise standard wasteful signaling model (Spence, 1973). We theoretically derive the properties of the equilibria under different levels of noise and we experimentally test how behavior changes with noise. We obtain three main insights. First, if the amount of noise increases, high types aiming for separation (must) increase their signaling expenditures. This theoretical prediction is confirmed in our experiment. Second, for intermediate and high levels of noise, a separating and pooling equilibrium co-exist. In the experiment, subjects tend to shift from coordinating on a separating outcome to a pooling one as noise increases. Third, a surprising theoretical insight is that a separating equilibrium ceases to exist for low levels of noise (and an unfavorable prior). Yet in the experiment subjects then do coordinate on separation. A simple attraction learning model incorporating belief learning, imitation and reinforcement, explains this stable non-equilibrium behavior.
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Bibliographic InfoArticle provided by Elsevier in its journal Games and Economic Behavior.
Volume (Year): 73 (2011)
Issue (Month): 2 ()
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Web page: http://www.elsevier.com/locate/inca/622836
Signaling games; Noise; Separation; Experiments;
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- Thomas D. Jeitschko & Hans-Theo Normann, 2009.
"Signaling in Deterministic and Stochastic Settings,"
Royal Holloway, University of London: Discussion Papers in Economics
09/12, Department of Economics, Royal Holloway University of London.
- Jeitschko, Thomas D. & Normann, Hans-Theo, 2012. "Signaling in deterministic and stochastic settings," Journal of Economic Behavior & Organization, Elsevier, vol. 82(1), pages 39-55.
- Jeitschko, Thomas D. & Normann, Hans-Theo, 2011. "Signaling in deterministic and stochastic settings," DICE Discussion Papers 35, Heinrich‐Heine‐Universität Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
- Francesc Dilmé, 2012. "Dynamic Quality Signaling with Hidden Actions, Second Version," PIER Working Paper Archive 13-063, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania, revised 03 Oct 2013.
- Volker Benndorf & Dorothea Kübler & Hans-Theo Normann, 2013.
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