In this article we show that intraday variation in spreads for Nasdaq-listed stocks has converged to intraday variation in spreads for NYSE-listed stocks after the implementation of the new order-handling rules. We attribute this convergence to the Limit Order Display Rule, which requires that...

We investigate the effects of analysts' affiliation and reputation on dealers' market making activities. We find that for a given stock, dealers who have affiliated analysts covering the stock quote and trade more aggressively than those who do not have any affiliated analysts. More important,...

We show that the majority of quotes posted by NASDAQ dealers are noncompetitive and only 19.5% (18.4%) of bid (ask) quotes are at the inside. The percentage of dealer quotes that are at the inside is higher for stocks with wider spreads, fewer market makers, and more frequent trading, and lower...