Staff Reports
The Advantage of Flexible Targeting Rules
July 2008 Number 339
JEL classification: E61, E63

Author: Andrea Ferrero

This paper investigates the consequences of debt stabilization for inflation targeting. If the monetary authority perfectly stabilizes inflation while the fiscal authority holds constant the real value of debt at maturity, the equilibrium dynamics might be indeterminate. However, determinacy can be restored by committing to targeting rules for either monetary or fiscal policy that include a concern for stabilization of the output gap. In solving the indeterminacy problem, flexible inflation targeting appears to be more robust than flexible debt targeting to alternative parameter configurations and steady-state fiscal stances. Conversely, flexible fiscal targeting rules lead to more desirable welfare outcomes. The paper further shows that if considerations beyond stabilization call for a combination of strict inflation and debt targeting rules, the indeterminacy result can be overturned if the fiscal authority commits to holding constant debt net of interest rate spending.

Available only in PDF pdf 31 pages / 543 kb
For a published version of this report, see Andrea Ferrero, "The Advantage of Flexible Targeting Rules," Journal of Money, Credit, and Banking 44, no. 5 (August 2012): 825-62.
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