Interest rate rules for monetary policy and tax rules for fiscal policy change stochastically between two regimes. In the first regime monetary policy follows the Taylor principle and taxes rise strongly with increases in the real value of government debt; in the second regime the Taylor principle fails to hold and taxes follow an exogenous stochastic process. Because agents? decision rules embed the probability that policies will change qualitatively in the future, monetary and tax shocks always produce wealth effects, breaking down Ricardian Equivalence. The impacts of monetary policy shocks can also be different because their fiscal implications (and wealth effects) are different when regime can change. If monetary policy adjusts the interest rate at all in response to inflation, then i.i.d. policy shocks propagate for many periods. The paper also addresses two empirical issues. First the 'price puzzle' that plagues monetary VARs is a natural outcome of periods when monetary policy fails to obey the Taylor principle and taxes do not respond to the state of government indebtedness. Second, dynamic correlations between fiscal surpluses and government liabilities, which have been interpreted as consistent with Ricardian Equivalence, can be produced by an underlying equilibrium that is non-Ricardian
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Find related papers by JEL classification: E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles E40 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - General
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Troy Davig & Eric M. Leeper, 2006.
"Generalizing the Taylor Principle,"
Caepr Working Papers
2006-001, Center for Applied Economics and Policy Research, Economics Department, Indiana University Bloomington.
[Downloadable!]
Troy Davig & Eric M. Leeper, 2006.
"Endogenous Monetary Policy Regime Change,"
Caepr Working Papers
2006-002, Center for Applied Economics and Policy Research, Economics Department, Indiana University Bloomington.
[Downloadable!]
Other versions:
Troy Davig & Eric M. Leeper, 2008.
"Endogenous Monetary Policy Regime Change,"
NBER Chapters,
in: NBER International Seminar on Macroeconomics 2006, pages 345-391
National Bureau of Economic Research, Inc.
[Downloadable!]
António Afonso & Ricardo M. Sousa, 2008.
"The Macroeconomic Effects of Fiscal Policy,"
Working Papers
2008/56, Department of Economics at the School of Economics and Management (ISEG), Technical University of Lisbon..
[Downloadable!]