question: Changes in the financial sector since the global financial crisis appear to have increased dramatically the demand for liquidity by holders of corporate bonds beyond the ability of the markets to provide it in stress events. The March market turmoil revealed the costs of liquidity mismatch in open-end bond mutual funds. The surprisingly large redemptions of investment-grade corporate bond funds added to stresses in both the corporate bond and Treasury markets. These conditions led to unprecedented Fed interventions, which significantly reduced risk spreads and improved market functioning, with much of the improvements occurring right after the initial announcement. The improved conditions allowed companies to issue bonds, which helped them to maintain employees and investment spending. The episode suggests several areas for further study and possible reforms.