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Eliciting private information with noise: The case of randomized response

Andreas Blume, Ernest K. Lai and Wooyoung Lim ()

Games and Economic Behavior, 2019, vol. 113, issue C, 356-380

Abstract: Theory suggests that garbling may improve the transmission of private information. A simple garbling procedure, randomized response, has shown promise in the field. We provide the first complete analysis of randomized response as a game and implement it as an experiment. We find in our experiment that randomized response increases truth-telling and, importantly, does so in instances where being truthful adversely affects posterior beliefs. Our theoretical analysis also reveals, however, that randomized response has a plethora of equilibria in addition to truth-telling equilibria. Lab behavior is most consistent with those informative but not truth-telling equilibria.

Keywords: Communication; Garbling; Information transmission; Randomized response; Laboratory experiment (search for similar items in EconPapers)
JEL-codes: C72 C92 D82 D83 (search for similar items in EconPapers)
Date: 2019
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Working Paper: Eliciting Private Information with Noise: The Case of Randomized Response (2014) Downloads
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