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Working Paper
Monetary Policy Interactions: The Policy Rate, Asset Purchases and Optimal Policy with an Interest Rate Peg
We study monetary policy in a New Keynesian model with a variable credit spread and scope for central bank asset purchases to matter. A novel financial and labor market interaction generates an endogenous cost-push channel in the Phillips curve and a credit wedge in the IS curve. These channels arise due to a liquidity premium to long-term debt present in our model. The “divine coincidence” holds with the nominal short rate and central bank balance sheet available as policy tools—dual-instrument policy. Targeting the liquidity premium using balance sheet policy provides a determinate ...