Fluctuations in aggregate crime rates contrary to recent shifts in the age distribution of the U.S. population have cast doubt on the predictive power of the age–crime hypothesis. By examining a longer time horizon, back to the early 1930s, we show that the percentage of the young population...

We look at alternative methods to correct a downward bias in half-life estimates of relative stock prices among the G7 countries. We compare a grid-[alpha] median-unbiased method and a recursive mean adjustment method.