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An Evolutionary Approach to Financial Innovation

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  • Marc Oliver Bettzuege
  • Thorsten Hens
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    Abstract

    The purpose of this paper is to explain why some markets for financial products take off while others vanish as soon as they have emerged. To this end, we model an infinite sequence of CAPM--economies in which financial products can be used for insurance purposes. Agents' participation in these financial products, however, is restricted. Consecutive stage economies are linked by a mapping (“transition function”) which determines the next period's participation structure from the preceding period's participation. The transition function generates a dynamic process of market participation which is driven by the percentage of informed traders and the rate at which a new asset is adopted. We then analyze the evolutionary stability of stationary equilibria. In accordance with the empirical literature on financial innovation, it is obtained that the success of a financial innovation, a mutation, depends on a sufficiently high trading volume, marketing, and new and differentiated hedging opportunities. In particular, a set of complete markets forming a stationary equilibrium is robust with respect to any further financial innovation while this is not necessarily true for a set of incomplete markets.

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    Bibliographic Info

    Paper provided by Institute for Empirical Research in Economics - University of Zurich in its series IEW - Working Papers with number 035.

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    Handle: RePEc:zur:iewwpx:035

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    Keywords: Financial Innovation; Evolution; GEI; CAPM;

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    1. Wolfgang Pesendorfer, 1991. "Financial Innovation in a General Equilibrium Model," UCLA Economics Working Papers 635, UCLA Department of Economics.
    2. Duffie Darrell & Rahi Rohit, 1995. "Financial Market Innovation and Security Design: An Introduction," Journal of Economic Theory, Elsevier, vol. 65(1), pages 1-42, February.
    3. Pagano, Marco, 1989. "Trading Volume and Asset Liquidity," The Quarterly Journal of Economics, MIT Press, vol. 104(2), pages 255-74, May.
    4. Eddie Dekel & Barton L. Lipman & Aldo Rustichini, 1998. "Standard State-Space Models Preclude Unawareness," Econometrica, Econometric Society, vol. 66(1), pages 159-174, January.
    5. Magill, Michael & Shafer, Wayne, 1991. "Incomplete markets," Handbook of Mathematical Economics, in: W. Hildenbrand & H. Sonnenschein (ed.), Handbook of Mathematical Economics, edition 1, volume 4, chapter 30, pages 1523-1614 Elsevier.
    6. Kyle, Albert S, 1985. "Continuous Auctions and Insider Trading," Econometrica, Econometric Society, vol. 53(6), pages 1315-35, November.
    7. Balasko, Yves & Cass, David & Siconolfi, Paolo, 1990. "The structure of financial equilibrium with exogenous yields : The case of restricted participation," Journal of Mathematical Economics, Elsevier, vol. 19(1-2), pages 195-216.
    8. Pagano, Marco, 1986. "Endogenous Market Thinness and Stock Price Volatility," CEPR Discussion Papers 146, C.E.P.R. Discussion Papers.
    9. Sushil Bikhchandani & David Hirshleifer & Ivo Welch, 1998. "Learning from the Behavior of Others: Conformity, Fads, and Informational Cascades," Journal of Economic Perspectives, American Economic Association, vol. 12(3), pages 151-170, Summer.
    10. Merton H. Miller, 1992. "Financial Innovation: Achievements And Prospects," Journal of Applied Corporate Finance, Morgan Stanley, vol. 4(4), pages 4-11.
    11. Merton, Robert C., 1987. "A simple model of capital market equilibrium with incomplete information," Working papers 1869-87., Massachusetts Institute of Technology (MIT), Sloan School of Management.
    12. Hara Chiaki, 1995. "Commission-Revenue Maximization in a General Equilibrium Model of Asset Creation," Journal of Economic Theory, Elsevier, vol. 65(1), pages 258-298, February.
    13. Kyle, Albert S, 1989. "Informed Speculation with Imperfect Competition," Review of Economic Studies, Wiley Blackwell, vol. 56(3), pages 317-55, July.
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