Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/154055 
Year of Publication: 
2013
Series/Report no.: 
ECB Working Paper No. 1622
Publisher: 
European Central Bank (ECB), Frankfurt a. M.
Abstract: 
How does the need to preserve government debt sustainability affect the optimal monetary and fiscal policy response to a liquidity trap? To provide an answer, we employ a small stochastic New Keynesian model with a zero bound on nominal interest rates and characterize optimal time-consistent stabilization policies. We focus on two policy tools, the short-term nominal interest rate and debt-financed government spending. The optimal policy response to a liquidity trap critically depends on the prevailing debt burden. In our model, while the optimal amount of government spending is decreasing in the level of outstanding government debt, future monetary policy is becoming more accommodative, triggering a change in private sector expectations that helps to dampen the fall in output and inflation at the outset of the liquidity trap.
Subjects: 
deficit spending
discretion
monetary and fiscal policy
new Keynesian model
zero nominal interest rate bound
JEL: 
E31
E52
E62
E63
D11
Document Type: 
Working Paper

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