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A Simple, Consistent Estimator for Disturbance Components in Financial Models

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  • Levinsohn, James
  • MacKie-Mason, Jeffrey K

Abstract

Many recent papers have estimated components of the disturbance term in the "market model" of equity returns. In particular, several studies of regulatory changes and other policy events have decomposed the event effects in order to allow for heterogeneity across firms. In this paper we demonstrate that the econometric method applied in some papers yields biased and inconsistent estimates of the model parameters. We demonstrate the consistency of a simple and easily-implemented alternative method.

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Bibliographic Info

Article provided by MIT Press in its journal Review of Economics & Statistics.

Volume (Year): 72 (1990)
Issue (Month): 3 (August)
Pages: 516-20

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Handle: RePEc:tpr:restat:v:72:y:1990:i:3:p:516-20

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  1. White, Halbert, 1980. "A Heteroskedasticity-Consistent Covariance Matrix Estimator and a Direct Test for Heteroskedasticity," Econometrica, Econometric Society, vol. 48(4), pages 817-38, May.
  2. Mitchell, Mark L & Maloney, Michael T, 1989. "Crisis in the Cockpit? The Role of Market Forces in Promoting Air Travel Safety," Journal of Law and Economics, University of Chicago Press, vol. 32(2), pages 329-55, October.
  3. Gene M. Grossman & James A. Levinsohn, 1987. "Import Competition and the Stock Market Return to Capital," NBER Working Papers 2420, National Bureau of Economic Research, Inc.
  4. Michael C. Jensen, 1972. "Capital Markets: Theory and Evidence," Bell Journal of Economics, The RAND Corporation, vol. 3(2), pages 357-398, Autumn.
  5. V. Vance Roley & Douglas K. Pearce, 1988. "Firm characteristics, unanticipated inflation, and stock returns," Research Working Paper 88-01, Federal Reserve Bank of Kansas City.
  6. MacKie-Mason, Jeffrey K, 1990. " Do Taxes Affect Corporate Financing Decisions?," Journal of Finance, American Finance Association, vol. 45(5), pages 1471-93, December.
  7. French, Kenneth R & Ruback, Richard S & Schwert, G William, 1983. "Effects of Nominal Contracting on Stock Returns," Journal of Political Economy, University of Chicago Press, vol. 91(1), pages 70-96, February.
  8. Borenstein, Severin & Zimmerman, Martin B, 1988. "Market Incentives for Safe Commercial Airline Operation," American Economic Review, American Economic Association, vol. 78(5), pages 913-35, December.
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Cited by:
  1. Crabb, Peter R., 2002. "Multinational corporations and hedging exchange rate exposure," International Review of Economics & Finance, Elsevier, vol. 11(3), pages 299-314.
  2. Blank, Steven C., 1991. "The Robustness Of Single Index Models In Crop Markets: A Multiple Index Model Test," Western Journal of Agricultural Economics, Western Agricultural Economics Association, vol. 16(02), December.
  3. Gao, Ting, 2000. "Exchange rate movements and the profitability of U.S. multinationals," Journal of International Money and Finance, Elsevier, vol. 19(1), pages 117-134, February.

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