This paper provides evidence that stock traders focus on round numbers as cognitive reference points for value. Using a random sample of more than 100 million stock transactions, we find excess buying (selling) by liquidity demanders at all price points one penny below (above) round numbers....

Are portfolio managers skilled or do they trade too much? Using a marked-to-market based“fair-value” method for measuring fund manager skill, we find that institutional managers canpotentially earn +42 (+33) basis points benchmark-adjusted return before transaction costs aftera holding...