Top sportsmen often refer to competition against other top sportsmen as a motivation to exert more effort. We examine whether a similar pattern exists among another group of top professionals – star analysts. Our evidence suggests that star analysts concentrate their efforts and generate...

We analyze the out-of-sample performance of variables shown to forecast future mutual fund alphas. The degree of predictability, as measured by alpha spreads from quintile sorts or by cross-sectional regression slopes, falls by at least half post-sample. These declines appear to be primarily the...