Building on recent developments in behavioral asset pricing, we develop a model in which an increase in the dispersion of investor beliefs under short-selling constraints predicts a "bubble," or a rise in a stock's price above its fundamental value. Our model predicts that managers respond to...

Financial variables such as cash flow and cash stocks are robust and quantitatively important explanatory variables for investment at the firm-level. A large body of recent empirical work attributes these findings to capital market imperfections. This interpretation is controversial, however,...