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Estimating the price elasticity of demand in the London stock market

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  • Eric J. Levin
  • Robert E. Wright

Abstract

The hypothesis that demand curves for individual stocks slope downwards is typically investigated by empirical analysis of stock price movements following events that cause shifts in demand or supply. However, it is difficult to attribute observed price movements between downward sloping demand curves and information conveyed by the event. In this paper an econometric approach, based on market-maker response to unexpected changes in inventory, is used to separate out the slope of the demand curve from information effects and estimate the slopes of the demand curves for twenty stocks included in the Financial Times-Stock Exchange 100 Share Index (FTSE100) . The analysis suggests that downward sloping demand curves would decrease the price by about 7.5% for a 1% increase in the number of outstanding shares.

Suggested Citation

  • Eric J. Levin & Robert E. Wright, 2002. "Estimating the price elasticity of demand in the London stock market," The European Journal of Finance, Taylor & Francis Journals, vol. 8(2), pages 222-237, June.
  • Handle: RePEc:taf:eurjfi:v:8:y:2002:i:2:p:222-237
    DOI: 10.1080/13518470110071218
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    Cited by:

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    3. Eric Levin & Gwilym Pryce, 2011. "A Disequilibrium Model of the Market for Houses: Implicit Selling Time as a Signal of Optimal Holding Periods and Buyer Valuation," Urban Studies, Urban Studies Journal Limited, vol. 48(11), pages 2249-2263, August.
    4. Eric Levin & Alberto Montagnoli & Robert E. Wright, 2009. "Demographic Change and the Housing Market: Evidence from a Comparison of Scotland and England," Urban Studies, Urban Studies Journal Limited, vol. 46(1), pages 27-43, January.

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