Theoretical models predict that the value of a real option should be increasing in the volatility ofthe underlying asset. Thus, if real options are economically important, then firm values should bepositively related to volatility. Consistent with this prediction, we find evidence that stock...

This paper shows that the stock market misprices firms' investment options. We build a real options model of optimal investment under uncertainty to estimate the value of firms' investment options. We show that firms with valuable investment options have a higher likelihood of being mispriced....