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CiteWeb id: 20150000080

CiteWeb score: 1629

DOI: 10.1086/261893

This paper studies the value of the stock market as a monitor of managerial performance. It shows that the stock price incorporates performance information that cannot be extracted from the firm's current or future profit data. The additional information is useful for structuring managerial incentives. The amount of information contained in the stock price depends on the liquidity of the market. Concentrated ownership, by reducing market liquidity, reduces the benefits of market monitoring. Integration is associated with weakened managerial incentives and less market monitoring. This may explain why shares of divisions of a firm are rarely traded. The model offers a reason why market liquidity and monitoring have both a private and a social value, a feature missing in standard finance models. This is used to study the equilibrium size of the stock market as a function of investor preferences and the available amounts of long- and short-term capital.

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