The COVID-19 pandemic and the mitigation efforts put in place to contain it delivered the most severe blow to the U.S. economy since the Great Depression. In this paper, we argue that the Federal Reserve acted decisively and with dispatch to deploy all the tools in its conventional kit and to...

As a result of the BoJ's large-scale asset purchases, the consolidated Japanese government borrows mostly at the floating rate from households and invests in longer-duration risky assets to earn an extra 3% of GDP. We quantify the impact of Japan's low-rate policies on its government and...

Many environmental hazards produce health effects that take years to arise, but quasi-experimental studies typically measure outcomes and treatment over short time periods. We develop a new approach to overcome this challenge and use it to gauge the effect of exposure to air pollution on US life...