We test how market overvaluation affects corporate innovation. Estimated stock overvaluation is very strongly associated with R&D, innovative output, and measures of innovative novelty, originality, and scope. R&D is much more sensitive than capital investment to overvaluation. Misvaluation...

We hypothesize that weather's emotional effects depend on climate and season, and examine the relation between weather (sunshine, wind, rain, snow, and temperature) and index returns separately for each region (cold, hot, and mild countries) and month. We find strong effects of all five weather...

These are the presentation slides for the working paper. We test how market overvaluation affects corporate innovation. Estimated stock overvaluation is very strongly associated with R&D, innovative output, and measures of innovative novelty, originality, and scope. R&D is much more sensitive...

We present evidence from an event study that runs counter to the notion that the momentum and book-to-market (B/M) effects can be fully explained by time-varying risk premia. We minimize the joint hypothesis problem in market-efficiency tests by examining a relatively short (26-day) window that...