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Screening With Frames: Implementation in Extensive Form

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  • Franz Ostrizek
  • Denis Shishkin

Abstract

We study a decision-framing design problem: a principal faces an agent with frame-dependent preferences and designs an extensive form with a frame at each stage. This allows the principal to circumvent incentive compatibility constraints by inducing dynamically inconsistent choices of the sophisticated agent. We show that a vector of contracts can be implemented if and only if it can be implemented using a canonical extensive form, which has a simple high-low-high structure using only three stages and the two highest frames, and employs unchosen decoy contracts to deter deviations. We then turn to the study of optimal contracts in the context of the classic monopolistic screening problem and establish the existence of a canonical optimal mechanism, even though our implementability result does not directly apply. In the presence of naive types, the principal can perfectly screen by cognitive type and extract full surplus from naifs.

Suggested Citation

  • Franz Ostrizek & Denis Shishkin, 2022. "Screening With Frames: Implementation in Extensive Form," CRC TR 224 Discussion Paper Series crctr224_2022_364, University of Bonn and University of Mannheim, Germany.
    • Handle: RePEc:bon:boncrc:crctr224_2022_364
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    File URL: https://www.crctr224.de/research/discussion-papers/archive/dp364
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    Keywords

    Implementation; Screening; Framing; Extensive-Form Decision Problems; Dynamic Inconsistency; Sophistication; Naivete;
    All these keywords.

    JEL classification:

    • D42 - Microeconomics - - Market Structure, Pricing, and Design - - - Monopoly
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D90 - Microeconomics - - Micro-Based Behavioral Economics - - - General
    • L12 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Monopoly; Monopolization Strategies

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