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Testing the sender: When signaling is not enough

Author

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  • Figueroa, Nicolás
  • Guadalupi, Carla
Abstract
A worker, privately informed about his fit with a firm, chooses an action to signal this information. The firm might perform a test and decides whether to hire the worker. We define firm effectiveness as the difference between the optimal probabilities of hiring a good-fit and a bad-fit worker, and show that it has an inverted U-shape with respect to beliefs. When the worker's expected fit is low, firm effectiveness is increasing in beliefs, and information is revealed through both signaling and information acquisition. Since the high type is more likely to pass a more exacting test, he will exert costly effort to improve firm's beliefs. When, on the other hand, the worker's expected fit is high, firm effectiveness is decreasing in beliefs and any signaling effort made by the high type would be mimicked by the low type, who benefits more from relaxed standards, so that information is generated exclusively by the firm through tests.

Suggested Citation

  • Figueroa, Nicolás & Guadalupi, Carla, 2021. "Testing the sender: When signaling is not enough," Journal of Economic Theory, Elsevier, vol. 197(C).
    • Handle: RePEc:eee:jetheo:v:197:y:2021:i:c:s0022053121001654
    DOI: 10.1016/j.jet.2021.105348
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    Cited by:

    1. Matveenko, Andrei & Starkov, Egor, 2023. "Sparking curiosity or tipping the scales? Targeted advertising with consumer learning," Journal of Economic Behavior & Organization, Elsevier, vol. 213(C), pages 172-192.

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    More about this item

    Keywords

    Signaling; Asymmetric information; Information acquisition;
    All these keywords.

    JEL classification:

    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games

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