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Option Pricing and Foreign Investment under Political Risk

Author

Listed:
  • Cherian, Joseph A
  • Perotti, Enrico C
Abstract
The paper analyzes foreign investment and asset prices in a context of uncertainty over future government policy. The model endogenizes the process of learning by foreign investors facing a potentially opportunistic government, which chooses strategically the timing of a policy reversal in order to attract more capital. We characterize the evolution of confidence, investment, and asset prices over time, as well as perceived policy risk. Quite generally, perceived risk abates as current policy is maintained, leading to a gradual appreciation of asset prices and a gradual decrease in their conditional variance. The approach thus provides a measure of the evolution over time of perceived political risk from market prices. We next compute option prices under the process generated by the model's hazard rate of policy reversal plus an additional market risk component. We show that both the time series and the term structure of conditional volatility in general is downward sloping and its overall level falls steadily over time, although it may exhibit initially a hump shape in the case of very low initial reputation. Another testable implication is that in price series without a policy reversal, implied volatility from option prices will exceed actual volatility. Over time, and in the absence of a reversal, this wedge progressively disappears. This may be viewed as the volatility analogue of the 'peso premium' for assets subject to large, infrequent price drops.

Suggested Citation

  • Cherian, Joseph A & Perotti, Enrico C, 1999. "Option Pricing and Foreign Investment under Political Risk," CEPR Discussion Papers 2327, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:2327
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    References listed on IDEAS

    as
    1. Barro, Robert J. & Gordon, David B., 1983. "Rules, discretion and reputation in a model of monetary policy," Journal of Monetary Economics, Elsevier, vol. 12(1), pages 101-121.
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    5. Perotti, Enrico C & van Oijen, Pieter, 1999. "Privatization, Political Risk and Stock Market Development," CEPR Discussion Papers 2243, C.E.P.R. Discussion Papers.
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    7. Chamley, Christophe & Gale, Douglas, 1994. "Information Revelation and Strategic Delay in a Model of Investment," Econometrica, Econometric Society, vol. 62(5), pages 1065-1085, September.
    8. Jonathan Eaton & Mark Gersovitz & Joseph E. Stiglitz, 1991. "The Pure Theory of Country Risk," NBER Chapters, in: International Volatility and Economic Growth: The First Ten Years of The International Seminar on Macroeconomics, pages 391-435, National Bureau of Economic Research, Inc.
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    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Implied Volatility; International Asset Pricing; Option Pricing; Political Risk; Volatility;
    All these keywords.

    JEL classification:

    • F30 - International Economics - - International Finance - - - General
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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