We investigate a prominent allegation in congressional hearings that Moody׳s loosened its rating standards to chase revenue after it went public in 2000. Consistent with this allegation, Moody׳s ratings for both corporate bonds and structured finance products are significantly more favorable...

During the 2007-2009 financial crisis there was little or no trading in a variety of financial assets, even though bid and ask prices existed for many of these assets. We develop a model in which this illiquidity arises from uncertainty, and we argue that this new form of illiquidity makes bid...

We examine how fragmentation is affecting market quality in US equity markets. We use newly available trade reporting facilities (TRFs) data to measure fragmentation, and we use a variety of empirical approaches to compare execution quality and efficiency of stocks with more and less fragmented...