This paper examines market liquidity in the post-crisis era in light of concerns that regulatory changes might have reduced dealers' ability and willingness to make markets. We begin with a discussion of the broader trading environment, including an overview of regulations and their potential...

Do regulations decrease dealer ability to intermediate trades? Using a unique data set of dealer-bond-level transactions, we link changes in liquidity of individual U.S. corporate bonds to dealers’ transaction activity and balance sheet constraints. We show that, prior to the financial crisis,...

We show a significant loss in U.S. Treasury market functionality when intensive use of dealer balance sheets is needed to intermediate bond markets, as in March 2020. Although yield volatility explains most of the variation in Treasury market liquidity over time, when dealer balance sheet...