An investigation of the gains from commitment in monetary policy
In: Journal of Monetary Economics, Band 54, Heft 2, S. 302-324
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In: Journal of Monetary Economics, Band 54, Heft 2, S. 302-324
This paper proposes a simple framework for analyzing a continuum of monetary policy rules characterized by differing degrees of credibility, in which commitment and discretion become special cases of what we call quasi commitment. The monetary policy authority is assumed to formulate optimal commitment plans, to be tempted to renege on them, and to succumb to this temptation with a constant exogenous probability known to the private sector. By interpreting this probability as a continuous measure of the (lack of) credibility of the monetary policy authority, we investigate the welfare effect of a marginal increase in credibility. Our main finding is that, in a simple model of the monetary transmission mechanism, most of the gains from commitment accrue at relatively low levels of credibility.
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In: Journal of political economy, Band 130, Heft 1, S. 121-156
ISSN: 1537-534X
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ISSN: 1537-534X
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In: American economic review, Band 106, Heft 5, S. 543-547
ISSN: 1944-7981
The surge in credit and house prices that preceded the Great Recession was particularly pronounced in ZIP codes with a higher fraction of subprime borrowers (Mian and Sufi, 2009). We present a simple model with prime and subprime borrowers distributed across geographic locations, which can reproduce this stylized fact as a result of an expansion in the supply of credit. Due to their low income, subprime households are constrained in their ability to meet interest payments and hence sustain debt. As a result, when the supply of credit increases and interest rates fall, they take on disproportionately more debt than their prime counterparts, who are not subject to that constraint.
In: NBER Working Paper No. w21942
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In: Journal of international economics, Band 92, S. S52-S67
ISSN: 0022-1996
In: FRB of Chicago Working Paper No. 2014-21
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