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Existence of Linear Equilibria in The Kyle Model with Partial Correlation and Two Risk Neutral Traders

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  • Daher, Wassim
  • Saleeby, Elias G.

Abstract

We study a generalization of the static model of \cite{K} with two risk neutral insiders to the case where each insider is partially informed about the value of the stock. First, we provide a necessary and sufficient condition for the uniqueness of the linear Bayesian equilibrium. Specifically, we show that, when the covariance matrix of the errors terms of the insiders' signals, is not singular, the linear Bayesian equilibrium is not unique. Then, we carry out a comparative statics analysis.

Suggested Citation

  • Daher, Wassim & Saleeby, Elias G., 2023. "Existence of Linear Equilibria in The Kyle Model with Partial Correlation and Two Risk Neutral Traders," MPRA Paper 117813, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:117813
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    File URL: https://mpra.ub.uni-muenchen.de/117813/1/DS-Heliyon-Last%20Version.pdf
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    References listed on IDEAS

    as
    1. Holden, Craig W & Subrahmanyam, Avanidhar, 1992. "Long-Lived Private Information and Imperfect Competition," Journal of Finance, American Finance Association, vol. 47(1), pages 247-270, March.
    2. RenÈ Caldentey & Ennio Stacchetti, 2010. "Insider Trading With a Random Deadline," Econometrica, Econometric Society, vol. 78(1), pages 245-283, January.
    3. Jain, Neelam & Mirman, Leonard J., 1999. "Insider trading with correlated signals," Economics Letters, Elsevier, vol. 65(1), pages 105-113, October.
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    Cited by:

    1. Daher, Wassim & Karam, Fida & Ahmed, Naveed, 2023. "Insider Trading with Semi-Informed Traders and Information Sharing: The Stackelberg Game," MPRA Paper 118138, University Library of Munich, Germany.
    2. Wassim Daher & Fida Karam & Naveed Ahmed, 2023. "Insider Trading with Semi-Informed Traders and Information Sharing: The Stackelberg Game," Mathematics, MDPI, vol. 11(22), pages 1-16, November.

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    More about this item

    Keywords

    Insider trading; Risk neutrality; Coefficient of Correlation; Partial Correlation; Market structure; Kyle model;
    All these keywords.

    JEL classification:

    • 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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