The relation between tick size and market quality is of interests to both academics and practitioners. The decimalization on the NYSE offers a rare opportunity to empirically examine the effects of tick size change on market quality. This paper performs a thorough study of the influences of tick...

After adopting Order Handling Rules in 1997, the Nasdaq Stock Market has become a hybrid market with both the quote-driven (market makers, the dealer market) and the order-driven (the Electronic Communication Networks, ECNs) trading systems. We study the Nasdaq stocks to empirically examine the...