Institutional investors and stock market volatility:

"We present a theory of excess stock market volatility, in which market movements are due to trades by very large institutional investors in relatively illiquid markets. Such trades generate significant spikes in returns and volume, even in the absence of important news about fundamentals. We d...

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Bibliographic Details
Format: Book
Language:English
Published: Cambridge, Mass. National Bureau of Economic Research 2005
Series:National Bureau of Economic Research <Cambridge, Mass.>: NBER working paper series 11722
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Online Access:Volltext
Summary:"We present a theory of excess stock market volatility, in which market movements are due to trades by very large institutional investors in relatively illiquid markets. Such trades generate significant spikes in returns and volume, even in the absence of important news about fundamentals. We derive the optimal trading behavior of these investors, which allows us to provide a unified explanation for apparently disconnected empirical regularities in returns, trading volume and investor size"--National Bureau of Economic Research web site.
Physical Description:50 S. graph. Darst.

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