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How do the effects of routine monetary operations designed to achieve macroeconomic stabilization change when the economy moves from a debt to GDP level where the probability of default is nil to the “fiscal limit,” where the default probability is non-negligible? We find that the specification of the monetary policy rule plays a critical role. By targeting the risky rate, the central bank accommodates default risk, amounting to an implicit relaxation in the inflation target as the economy approaches its fiscal limit. A transitory monetary policy contraction leads to a sustained rise in inflation, even though monetary policy actively targets inflation, and fiscal policy passively adjusts taxes to stabilize debt. If the central bank targets the risk-free rate, on the other hand, the central bank keeps its inflation target unchanged even as sovereign default risk surges. As a result, output endures most of the macroeconomic cost of fiscal adjustment in response to high debt.
JEL Classification: H60, E30, E62, H30
Bi, Huixin. 2018. “Sovereign Default and Monetary Policy Tradeoffs.” Federal Reserve Bank of Kansas City, Research Working Paper no. 18-02, March. Available at External Linkhttps://doi.org/10.18651/RWP2018-02