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Efficiency and Equilibria in Games of Optimal Derivative Design

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  • Ulrich Horst
  • Santiago Moreno-Bromberg

Abstract

In this paper the problem of optimal derivative design, profit maximization and risk minimization under adverse selection when multiple agencies compete for the business of a continuum of heterogenous agents is studied. The presence of ties in the agents' best-response correspondences yields discontinuous payoff functions for the agencies. These discontinuities are dealt with via efficient tie--breaking rules. In a first step, the model presented by Carlier, Ekeland & Touzi (2007) of optimal derivative design by profit-maximizing agencies is extended to a multiple--firm setting, and results of Page & Monteiro (2003, 2007, 2008) are used to prove the existence of (mixed-strategies) Nash equilibria. On a second step we consider the more complex case of risk minimizing firms. Here the concept of socially efficient allocations is introduced, and existence of the latter is proved. It is also shown that in the particular case of the entropic risk measure, there exists an efficient "fix--mix" tie-breaking rule, in which case firms share the whole market over given proportions.

Suggested Citation

  • Ulrich Horst & Santiago Moreno-Bromberg, 2011. "Efficiency and Equilibria in Games of Optimal Derivative Design," Papers 1107.0839, arXiv.org.
  • Handle: RePEc:arx:papers:1107.0839
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    References listed on IDEAS

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    Cited by:

    1. repec:hum:wpaper:sfb649dp2010-056 is not listed on IDEAS
    2. Michail Anthropelos, 2012. "The Effect of Market Power on Risk-Sharing," Papers 1206.0384, arXiv.org, revised May 2016.
    3. repec:hum:wpaper:sfb649dp2010-035 is not listed on IDEAS
    4. repec:hum:wpaper:sfb649dp2010-054 is not listed on IDEAS
    5. Jana Bielagk & Ulrich Horst & Santiago Moreno--Bromberg, 2016. "A Principal-Agent Model of Trading Under Market Impact -Crossing networks interacting with dealer markets-," Papers 1607.04047, arXiv.org, revised Aug 2016.
    6. repec:hum:wpaper:sfb649dp2010-037 is not listed on IDEAS
    7. repec:hum:wpaper:sfb649dp2010-059 is not listed on IDEAS
    8. repec:hum:wpaper:sfb649dp2010-050 is not listed on IDEAS
    9. repec:hum:wpaper:sfb649dp2010-055 is not listed on IDEAS
    10. repec:hum:wpaper:sfb649dp2010-047 is not listed on IDEAS
    11. repec:hum:wpaper:sfb649dp2010-049 is not listed on IDEAS
    12. repec:hum:wpaper:sfb649dp2010-051 is not listed on IDEAS
    13. Bielagk, Jana & Horst, Ulrich & Moreno-Bromberg, Santiago, 2019. "Trading under market impact: Crossing networks interacting with dealer markets," Journal of Economic Dynamics and Control, Elsevier, vol. 100(C), pages 131-151.
    14. repec:hum:wpaper:sfb649dp2010-045 is not listed on IDEAS
    15. repec:hum:wpaper:sfb649dp2010-061 is not listed on IDEAS

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    More about this item

    JEL classification:

    • C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium
    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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