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Optimal Execution in a Market with Small Investors


  • Ryosuke Ishii

    () (Institute of Economic Research, Kyoto University)


We consider the dynamic trading strategies that minimize the expected cost of trading a large block of securities over a fixed finite number of periods and the endogenously determined price impact function that yields the execution prices for individual trades. This analysis is novel in that it introduces market participants other than institutional investors and constructing a general equilibrium model. We find that institutional investors are much more likely to speculate to exploit private informations and price impact function changes over time, which has been left unnoticed in the existing literature.

Suggested Citation

  • Ryosuke Ishii, 2008. "Optimal Execution in a Market with Small Investors," KIER Working Papers 653, Kyoto University, Institute of Economic Research.
  • Handle: RePEc:kyo:wpaper:653

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    Cited by:

    1. Ryosuke Ishii, 2009. "Optimal Execution in an Evolutionary Setting," KIER Working Papers 670, Kyoto University, Institute of Economic Research.

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