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Borrowing Constraint and the Effect of Option Introduction

  • Amira, Khaled
  • Bennour, Khaled

This paper studies how options trading, by circumventing constraints on borrowing, permits optimistic investors to hold the desired portfolio. Unconstrained investors proceed to a portfolio rebalancing by constructing a zero-income portfolio that consists of a short position in the option, a long position in the stock and a short position in the riskless asset. We show that aggregate demand for the stock is what prevails when options do not exist and no constraints hold. Furthermore, the option listing causes an increase in the aggregate demand for the stock and consequently an increase in the equilibrium stock price.

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File URL: https://mpra.ub.uni-muenchen.de/26440/1/MPRA_paper_26440.pdf
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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 26440.

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Date of creation: Oct 2010
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Handle: RePEc:pra:mprapa:26440
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  1. Grossman, Sanford J, 1988. "An Analysis of the Implications for Stock and Futures Price Volatility of Program Trading and Dynamic Hedging Strategies," The Journal of Business, University of Chicago Press, vol. 61(3), pages 275-98, July.
  2. Stein, Jeremy C, 1987. "Informational Externalities and Welfare-Reducing Speculation," Journal of Political Economy, University of Chicago Press, vol. 95(6), pages 1123-45, December.
  3. Stephen A. Ross, 1976. "Options and Efficiency," The Quarterly Journal of Economics, Oxford University Press, vol. 90(1), pages 75-89.
  4. Hart, Oliver D., 1975. "On the optimality of equilibrium when the market structure is incomplete," Journal of Economic Theory, Elsevier, vol. 11(3), pages 418-443, December.
  5. Conrad, Jennifer, 1989. " The Price Effect of Option Introduction," Journal of Finance, American Finance Association, vol. 44(2), pages 487-98, June.
  6. Garleanu, Nicolae Bogdan & Pedersen, Lasse Heje & Poteshman, Allen M, 2005. "Demand-Based Option Pricing," CEPR Discussion Papers 5420, C.E.P.R. Discussion Papers.
  7. Detemple, Jerome & Jorion, Philippe, 1990. "Option listing and stock returns : An empirical analysis," Journal of Banking & Finance, Elsevier, vol. 14(4), pages 781-801, October.
  8. Biais, Bruno & Hillion, Pierre, 1994. "Insider and Liquidity Trading in Stock and Options Markets," Review of Financial Studies, Society for Financial Studies, vol. 7(4), pages 743-80.
  9. Back, Kerry, 1993. "Asymmetric Information and Options," Review of Financial Studies, Society for Financial Studies, vol. 6(3), pages 435-72.
  10. Detemple, Jerome B & Selden, Larry, 1991. "A General Equilibrium Analysis of Option and Stock Market Interactions," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 32(2), pages 279-303, May.
  11. Jérôme Detemple & Angel Serrat, 2003. "Dynamic Equilibrium with Liquidity Constraints," Review of Financial Studies, Society for Financial Studies, vol. 16(2), pages 597-629.
  12. Santa-Clara, Pedro & Saretto, Alessio, 2004. "Option Strategies: Good Deals and Margin Calls," University of California at Los Angeles, Anderson Graduate School of Management qt0499w44p, Anderson Graduate School of Management, UCLA.
  13. Shleifer, Andrei, 1986. " Do Demand Curves for Stocks Slope Down?," Journal of Finance, American Finance Association, vol. 41(3), pages 579-90, July.
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