Management, directly or indirectly, learns from its firm's stock price, so that a more informative stock price should make the firm more productive. We show that stock price informativeness increases firm productivity. We predict and confirm that the productivity of smaller and younger firms,...

The use of price earnings ratios and dividend-price ratios as forecasting variables for the stock market is examined using aggregate annual US data 1871 to 2000 and aggregate quarterly data for twelve countries since 1970. Various simple efficient-markets models of financial markets imply that...

This paper reviews the behavior of financial asset prices in relation to consumption. The paper lists some important stylized facts that characterize US data, and relates them to recent developments in equilibrium asset pricing theory. Data from other countries are examined to see which features...