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The Effect of Information Quality on Optimal Portfolio Choice

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  • Frederik Lundtofte

Abstract

Three types of agents acting on different information sets are considered: fully informed agents, insiders, and outsiders. Differences in information quality are shown to affect the properties of their optimal portfolios. For an outsider, the share of wealth invested in the stock is decreasing in the variance of the stock. However, for an insider, the effect of an increasing stock variance on the optimal portfolio weight is ambiguous. In a calibration to U.S. data, the confidence intervals of the insider's demand for the stock converge, whereas the outsider's confidence intervals become wider.

Suggested Citation

  • Frederik Lundtofte, 2006. "The Effect of Information Quality on Optimal Portfolio Choice," The Financial Review, Eastern Finance Association, vol. 41(2), pages 157-185, May.
    • Handle: RePEc:bla:finrev:v:41:y:2006:i:2:p:157-185
    DOI: 10.1111/j.1540-6288.2006.00137.x
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    Cited by:

    1. Gau, Yin-Feng & Hua, Mingshu & Wu, Wen-Lin, 2010. "International asset allocation for incompletely-informed investors," Journal of Financial Markets, Elsevier, vol. 13(4), pages 422-447, November.
    2. Wen-Lin Wu & Yin-Feng Gau, 2017. "Home bias in portfolio choices: social learning among partially informed agents," Review of Quantitative Finance and Accounting, Springer, vol. 48(2), pages 527-556, February.
    3. Haijun Wang & L. Steven Hou, 2015. "Robust Consumption and Portfolio Choice with Habit Formation, the Spirit of Capitalism and Recursive Utility," Annals of Economics and Finance, Society for AEF, vol. 16(2), pages 393-416, November.
    4. Frederik Lundtofte, 2009. "Can An 'Estimation Factor' Help Explain Cross-Sectional Returns?," Journal of Business Finance & Accounting, Wiley Blackwell, vol. 36(5-6), pages 705-724.

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