Acquisitions among specialist firms can increase specialist firm size, capitalization, and market concentration, and thus potentially have important effects on market quality. We examine the impact of NYSE specialist firm acquisitions on market quality and find that while stocks traded by both...

Using trade and quote data from the NYSE, we examine the relation between dealer attention, dealer revenue, and the probability of informed trade. We find that dealer revenue net of losses to better-informed traders in NYSE stocks is positively related to the speed at which quotes adjust to full...

Leveraged and inverse ETFs (LETFs) were introduced in 2006 and their popularity surged starting in 2008. As of the first quarter of 2012 there were over 200 such ETFs with over $30 billion in assets under management (AUM). By late 2008 there was concern about their late-day impact on stock...