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Using Irregularly Spaced Returns to Estimate Multi-Factor Models: Application to Brazilian Equity Data

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  • Veiga, Alvaro
  • Souza, Leonardo Rocha

Abstract

Multi-factor models are useful tools to explain cross-sectional covariance in equities returns. In this paper a new estimation method is proposed that makes use of irregularly spaced returns and an empirical example is provided with the 389 most liquid equities in the Brazilian Market. The market index shows itself capable of explaining equity returns while the US$/Brazilian real exchange rate and the Brazilian short interest rate do not. The example shows the usefulness of the estimation method in further using the model to fill in missing values and to provide interval forecasts.

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Paper provided by FGV/EPGE Escola Brasileira de Economia e Finanças, Getulio Vargas Foundation (Brazil) in its series Economics Working Papers (Ensaios Economicos da EPGE) with number 487.

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Date of creation: 30 Jun 2003
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Handle: RePEc:fgv:epgewp:487

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  1. Andrew W. Lo & Craig A. MacKinlay, . "An Econometric Analysis of Nonsyschronous-Trading," Rodney L. White Center for Financial Research Working Papers, Wharton School Rodney L. White Center for Financial Research 19-89, Wharton School Rodney L. White Center for Financial Research.
  2. Scholes, Myron & Williams, Joseph, 1977. "Estimating betas from nonsynchronous data," Journal of Financial Economics, Elsevier, Elsevier, vol. 5(3), pages 309-327, December.
  3. Dimson, Elroy, 1979. "Risk measurement when shares are subject to infrequent trading," Journal of Financial Economics, Elsevier, Elsevier, vol. 7(2), pages 197-226, June.
  4. Christoffersen, Peter F, 1998. "Evaluating Interval Forecasts," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 39(4), pages 841-62, November.
  5. Dimson, E & Marsh, P R, 1983. " The Stability of UK Risk Measures and the Problem of Thin Trading," Journal of Finance, American Finance Association, American Finance Association, vol. 38(3), pages 753-83, June.
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