Firms significantly reduce their investment in response to non-fundamental drops in the stock price of their product-market peers. We argue that this result arises because of managers' limited ability to filter out the noise in stock prices when using them as signals about their investment...

Noise traders are agents whose theoretical existence has been hypothesized as a way of solving certain fundamental problems in Financial Economics. We briefly review the literature on noise traders. The is an entry for The New Palgrave: A Dictionary of Economics, 2nd Edition (Palgrave Macmillan:...

This paper derives and estimates an equilibrium model of stock price behavior in which exogenous quot;noise tradersquot; interact with risk-averse quot;smart moneyquot; investors. The model assumes that changes in exponentially detrended dividends and prices are normally distributed, and that...