Unobserved Actions of Mutual Funds (2024)

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Volume 21 Issue 6 November 2008
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Marcin Kacperczyk

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Clemens Sialm

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Lu Zheng

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The Review of Financial Studies, Volume 21, Issue 6, November 2008, Pages 2379–2416, https://doi.org/10.1093/rfs/hhl041

Published:

25 October 2006

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Abstract

Despite extensive disclosure requirements, mutual fund investors do not observe all actions of fund managers. We estimate the impact of unobserved actions on fund returns using the return gap—the difference between the reported fund return and the return on a portfolio that invests in the previously disclosed fund holdings. We document that unobserved actions of some funds persistently create value, while such actions of other funds destroy value. Our main result shows that the return gap predicts fund performance.

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I'm an enthusiast and expert in the field of financial studies, with a deep understanding of academic research and scholarly articles. My knowledge encompasses a wide range of topics within finance, including mutual funds, portfolio management, and the impact of unobserved actions on fund returns.

Now, let's delve into the key concepts presented in the article titled "Unobserved Actions of Mutual Funds" by Marcin Kacperczyk, Clemens Sialm, and Lu Zheng, published in The Review of Financial Studies, Volume 21, Issue 6, November 2008. The article addresses the following essential points:

  1. Title and Authors:

    • Title: "Unobserved Actions of Mutual Funds"
    • Authors: Marcin Kacperczyk, Clemens Sialm, Lu Zheng
  2. Publication Information:

    • Journal: The Review of Financial Studies
    • Volume: 21
    • Issue: 6
    • Publication Date: November 2008
    • Pages: 2379–2416
    • DOI:
  3. Abstract:

    • Despite extensive disclosure requirements, mutual fund investors do not observe all actions of fund managers.
    • The article aims to estimate the impact of unobserved actions on fund returns using the return gap—the difference between the reported fund return and the return on a portfolio that invests in the previously disclosed fund holdings.
    • The study documents that unobserved actions of some funds persistently create value, while such actions of other funds destroy value.
    • The main result indicates that the return gap predicts fund performance.
  4. Key Findings:

    • The central finding is that unobserved actions of mutual funds have varying impacts on value creation and destruction.
    • The return gap, which measures the difference between reported fund returns and returns on a portfolio of disclosed holdings, is identified as a predictor of fund performance.
  5. Methodology:

    • The study likely employs quantitative methods to estimate the impact of unobserved actions on fund returns.
    • The return gap serves as a crucial metric for evaluating the effectiveness of mutual fund managers.
  6. Implications:

    • The research suggests that, despite disclosure requirements, certain actions of fund managers remain unobserved by investors.
    • Understanding and accounting for the return gap can provide insights into the future performance of mutual funds.
  7. Limitations:

    • The article may discuss any limitations or challenges faced in the estimation of unobserved actions and the use of the return gap as a predictor.
  8. Significance and Contribution:

    • The study contributes to the literature on mutual funds by shedding light on the impact of unobserved actions, providing valuable insights for investors and fund managers.

In conclusion, this article explores the nuanced relationship between unobserved actions of mutual funds and their impact on returns, presenting a significant contribution to the field of financial studies. The findings are crucial for investors, fund managers, and scholars seeking a deeper understanding of mutual fund performance.

Unobserved Actions of Mutual Funds (2024)

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