The central premise of the Black and Scholes [Black, F., Scholes, M. (1973). The pricing of options and corporate liabilities. Journal of Political Economy 81, 637–659] and Merton [Merton, R. (1973). Theory of rational option pricing. Bell Journal of Economics and Management Science 4, 141–184] option pricing theory is that there exists a self-financing dynamic trading policy of the stock and risk free accounts that renders the market dynamically complete. This requires that the market be complete and perfect. In this essay, we are concerned with cases in which dynamic trading breaks down either because the market is incomplete or because it is imperfect due to the presence of trading costs, or both. Market incompleteness renders the risk-neutral probability measure non unique and allows us to determine the option price only within a range. Recognition of trading costs requires a refinement in the definition and usage of the concept of a risk-neutral probability measure. Under these market conditions, a replicating dynamic trading policy does not exist. Nevertheless, we are able to impose restrictions on the pricing kernel and derive testable restrictions on the prices of options.We illustrate the theory in a series of market setups, beginning with the single period model, the two-period model and, finally, the general multiperiod model, with or without transaction costs.We also review related empirical results that document widespread violations of these restrictions.
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Find related papers by JEL classification: D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
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Rendleman, Richard J, Jr & Bartter, Brit J, 1979.
"Two-State Option Pricing,"
Journal of Finance,
American Finance Association, vol. 34(5), pages 1093-1110, December.
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George M. Constantinides & Jens Carsten Jackwerth & Stylianos Perrakis, 2008.
"Mispricing of S&P 500 Index Options,"
NBER Working Papers
14544, National Bureau of Economic Research, Inc.
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Stylianos Perrakis & Jens Carsten Jackwerth & George Constantinides, 2005.
"Mispricing of S&P 500 Index Options,"
Working Papers
wp05-07, Warwick Business School, Financial Econometrics Research Centre.
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George M. Constantinides & Jens Carsten Jackwerth & Stylianos Perrakis, 2009.
"Mispricing of S&P 500 Index Options,"
Review of Financial Studies,
Oxford University Press for Society for Financial Studies, vol. 22(3), pages 1247-1277, March.
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