Mortgage stress tests and household financial resilience under monetary policy tightening Staff Analytical Note 2024-25 Jonathan Hartley, Nuno Paixão This note analyzes mortgage stress tests, a macroprudential tool. We find that when mortgage stress tests are applied to all mortgage purchase originations, they improve credit quality and reduce credit and house price growth. They also improve the resilience of borrowers to financial shocks, such as the large increase in interest rates during 2022–23. Content Type(s): Staff research, Staff analytical notes Topic(s): Credit and credit aggregates, Financial institutions, Financial system regulation and policies, Monetary policy JEL Code(s): E, E5, E52, G, G2, G21, G28, G5, G50, G51