Optimal Policy under Commitment and Price Level Stationarity
This paper proposes a simple analytical method to determine the stationarity of an unnormalized variable from the solution to a normalized model i.e. a model whose variables must be expressed in relative terms or must be differenced for a solution to exist. The paper then applies the method to answer a question of interest to policy-makers: does optimal policy under commitment lead to stationarity in the price level? Unlike Gaspar, Smets, and Vestin (2007), the paper finds that optimal policy under commitment does not lead to price level stationarity in the Smets and Wouters (2003) model.
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- Gaspar, Vítor & Smets, Frank & Vestin, David, 2007.
"Is time ripe for price level path stability?,"
Working Paper Series
0818, European Central Bank.
- Anderson, Gary & Moore, George, 1985. "A linear algebraic procedure for solving linear perfect foresight models," Economics Letters, Elsevier, vol. 17(3), pages 247-252.
- Oleksiy Kryvtsov & Malik Shukayev & Alexander Ueberfeldt, 2007. "Optimal Monetary Policy and Price Stability Over the Long-Run," Working Papers 07-26, Bank of Canada.
- Richard Dennis, 2001.
"The policy preferences of the U.S. Federal Reserve,"
Working Paper Series
2001-08, Federal Reserve Bank of San Francisco.
- Blanchard, Olivier Jean & Kahn, Charles M, 1980. "The Solution of Linear Difference Models under Rational Expectations," Econometrica, Econometric Society, vol. 48(5), pages 1305-11, July.
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