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Columbia Law School

Securities Law

2004

Insider trading

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Measuring Share Price Accuracy, Merritt B. Fox Jan 2004

Measuring Share Price Accuracy, Merritt B. Fox

Faculty Scholarship

This Article concerns how to measure share price accuracy. It is prompted by the fact that many scholars believe that the prices established in the stock market affect the efficiency of the real economy. In their view, more accurate prices increase the amount of value added by capital-utilizing enterprises as these enterprises use society's scarce resources for the production of goods and services. More accurate share prices help improve both the quality of choice among new proposed investment projects in the economy and the operation of existing real assets currently in corporate hands.

The proposition that more accurate share prices …