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Why Would Financial Bubbles Evolve After New Technologies?

  • Haim Kedar-Levy

    (Ben-Gurion University of the Negev)

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    This paper presents an equity market where the value of a new technology is infrequently observable while the equity claim of the asset is continuously traded. We clear the stock market between two optimal asset allocation strategies, speculative vs. fundamental, adopted by risk-averse investors who differ in their rist-aversion. The stock price path maintains a potential for endogenous bubbles or under-pricing vs. the asset as a function of total funds invested in the stock by each investor type. Bubbles grow exponentially if speculation dominates but if the fundamental strategy dominates, the stock's growth rate and its volatility will decline.

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    File URL: http://jefsite.org/RePEc/pep/journl/jef-2007-12-1-f-kedar-levy.pdf
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    Article provided by Pepperdine University, Graziadio School of Business and Management in its journal Journal of Entrepreneurial Finance and Business Ventures.

    Volume (Year): 12 (2007)
    Issue (Month): 1 (Spring)
    Pages: 83-106

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    Handle: RePEc:pep:journl:v:12:y:2007:i:1:p:83-106
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    1. Summers, Lawrence H, 1986. " Does the Stock Market Rationally Reflect Fundamental Values?," Journal of Finance, American Finance Association, vol. 41(3), pages 591-601, July.
    2. Merton, Robert C., 1971. "Optimum consumption and portfolio rules in a continuous-time model," Journal of Economic Theory, Elsevier, vol. 3(4), pages 373-413, December.
    3. Tirole, Jean, 1982. "On the Possibility of Speculation under Rational Expectations," Econometrica, Econometric Society, vol. 50(5), pages 1163-81, September.
    4. Flood, Robert P & Garber, Peter M, 1980. "Market Fundamentals versus Price-Level Bubbles: The First Tests," Journal of Political Economy, University of Chicago Press, vol. 88(4), pages 745-70, August.
    5. De Long, J Bradford & Andrei Shleifer & Lawrence H. Summers & Robert J. Waldmann, 1990. "Noise Trader Risk in Financial Markets," Journal of Political Economy, University of Chicago Press, vol. 98(4), pages 703-38, August.
    6. De Bondt, Werner F M & Thaler, Richard H, 1987. " Further Evidence on Investor Overreaction and Stock Market Seasonalit y," Journal of Finance, American Finance Association, vol. 42(3), pages 557-81, July.
    7. Josef Lakonishok & Andrei Shleifer & Richard Thaler & Robert Vishny, 1991. "Window Dressing by Pension Fund Managers," NBER Working Papers 3617, National Bureau of Economic Research, Inc.
    8. Zeira, Joseph, 1993. "Informational Overshooting, Booms and Crashes," CEPR Discussion Papers 823, C.E.P.R. Discussion Papers.
    9. Haim Kedar-Levy, 2002. "Price Bubbles of New-Technology IPOs," Journal of Entrepreneurial Finance, Pepperdine University, Graziadio School of Business and Management, vol. 7(2), pages 11-32, Summer.
    10. Robert J. Shiller, 1980. "Do Stock Prices Move Too Much to be Justified by Subsequent Changes in Dividends?," NBER Working Papers 0456, National Bureau of Economic Research, Inc.
    11. Jegadeesh, Narasimhan & Titman, Sheridan, 1995. "Overreaction, Delayed Reaction, and Contrarian Profits," Review of Financial Studies, Society for Financial Studies, vol. 8(4), pages 973-93.
    12. Blanchard, Olivier Jean, 1979. "Speculative bubbles, crashes and rational expectations," Economics Letters, Elsevier, vol. 3(4), pages 387-389.
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