We combine self-collected historical data from 1867 to 1907 with CRSP data from 1926 to 2012, to examine the risk and return over the past 140 years of one of the most popular mechanical trading strategies — momentum. We find that momentum has earned abnormally high risk-adjusted returns — a...

This paper studies the interplay between firm investment and cash flow hedging decisions when the decision-maker has time-inconsistent preferences. We show that cash flow hedging acts as a double-edged sword. In some cases, cash flow hedging enhances firm value because the firm can thus invest...

Stock market investment decisions of individuals are positively correlated with that of co-workers. Sorting of unobservably similar individuals to the same workplaces is unlikely to explain our results, as evidenced by the investment behavior of individuals that move between plants. Purchases...