This paper reviews the theoretical literature at the intersection of macroeconomics and finance to draw lessons on the connection between vulnerabilities in the financial system and the macroeconomy, and on how monetary policy affects that connection. This literature finds that financial...

Non-banks originated about half of all mortgages in 2016, and 75% of mortgages insured by the FHA or VA. Both shares are much higher than those observed at any point in the 2000s. We describe in this paper how non-bank mortgage companies are vulnerable to liquidity pressures in both their loan...

We construct a general equilibrium model in which income inequality results in insufficient aggregate demand, deflation pressure, and excessive credit growth by allocating income to agents featuring low marginal propensity to consume, and if excessive, can lead to an endogenous financial crisis....

We study optimal interest-rate policy in a New Keynesian model in which the economy can experience financial crises and the probability of a crisis depends on credit conditions. The optimal adjustment to interest rates in response to credit conditions is (very) small in the model calibrated to...

The liquidity strains that contributed to the meltdown of the mortgage market in the Global Financial Crisis (GFC) re-emerged in the Coronavirus 2019 (COVID-19) Crisis. Some of these strains were acute. For example, the dependence of mortgage real estate investment trusts (REITs) on short-term...