In this study we show that both the price impact of trades and serial correlation in trade direction are positively and significantly related to the probability of information-based trading (PIN). The positive relation remains significant even after controlling for the effects of stock...

In this paper we suggest that market makers deduce the extent of the adverse selection problem associated with a stock (and set up the bid-ask spread accordingly) by observing how many financial analysts are following that stock. Market makers do this based on the belief that more financial...