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Inflation Targeting and Nominal Income Growth Targeting: When and Why Are They Suboptimal?

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  • Jinill Kim
  • Dale Henderson

Abstract

We derive optimal monetary stabilization rules and compare them to simple rules under both full and partial information. The nominal interest rate is the instrument of monetary policy. Special attention is devoted to inflation targeting and nominal-income-growth targeting.> We use an optimizing-agent model of a closed economy which features monopolistic competition in both product and labor markets. A stabilization problem exists because there are one-period nominal contracts, either for wages alone or for both wages and prices, and three shocks that are unknown when contracts are signed. In order to highlight basic theoretical results, we deliberately keep our model simple enough that we can obtain exact solutions. Optimal rules maximize the expected utility of the representative agent subject to the information set of the policymaker. A key result, possibly surprising at first, is that even with monopolistic competition, the optimal full information policy makes the economy mimic the hypothetical equilibrium with flexible prices and wages. We explain why strict versions of inflation targeting, nominal income growth targeting, and other such simple rules are suboptimal under both full and partial information and derive flexible versions that are optimal under certain partial information assumptions. Nominal income growth targeting dominates inflation targeting for plausible parameter values.
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(This abstract was borrowed from another version of this item.)
(This abstract was borrowed from another version of this item.)
(This abstract was borrowed from another version of this item.)
(This abstract was borrowed from another version of this item.)

Suggested Citation

  • Jinill Kim & Dale Henderson, 2002. "Inflation Targeting and Nominal Income Growth Targeting: When and Why Are They Suboptimal?," Computing in Economics and Finance 2002 59, Society for Computational Economics.
  • Handle: RePEc:sce:scecf2:59
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    Cited by:

    1. Kim, Jinill & Kim, Sunghyun Henry, 2003. "Spurious welfare reversals in international business cycle models," Journal of International Economics, Elsevier, vol. 60(2), pages 471-500, August.
    2. Collard, Fabrice & Dellas, Harris, 2005. "Poole in the New Keynesian model," European Economic Review, Elsevier, vol. 49(4), pages 887-907, May.
    3. Tatiana Damjanovic & Vladislav Damjanovic & Charles Nolan, 2015. "Ordering Policy Rules with an Unconditional Welfare Measure," International Journal of Central Banking, International Journal of Central Banking, vol. 11(1), pages 103-149, January.
    4. Nunes, Ricardo, 2008. "Delegation and Loose Commitment," MPRA Paper 11555, University Library of Munich, Germany.
    5. Jinill Kim & Sunghyun Henry Kim, 2007. "Two Pitfalls of Linearization Methods," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 39(4), pages 995-1001, June.
    6. Kim, Jinill & Ruge-Murcia, Francisco J., 2011. "Monetary policy when wages are downwardly rigid: Friedman meets Tobin," Journal of Economic Dynamics and Control, Elsevier, vol. 35(12), pages 2064-2077.
    7. Sunghyun Henry Kim & Jinill Kim, 2003. "Welfare Effects of Tax Policy in Open Economies: Stabilization and Cooperation," Computing in Economics and Finance 2003 259, Society for Computational Economics.
    8. Jordi Caballé & Jana Hromcová, 2011. "The Role of Central Bank Operating Procedures in an Economy with Productive Government Spending," Computational Economics, Springer;Society for Computational Economics, vol. 37(1), pages 39-65, January.
    9. Fair, Ray C., 2007. "Evaluating Inflation Targeting Using a Macroeconometric Model," Economics - The Open-Access, Open-Assessment E-Journal, Kiel Institute for the World Economy (IfW), vol. 1, pages 1-52.
    10. Pierpaolo Benigno & Michael Woodford, 2005. "Optimal stabilization policy when wages and prices are sticky: the case of a distorted steady state," Proceedings, Board of Governors of the Federal Reserve System (U.S.), pages 127-180.
    11. Kim, Jinill & Ruge-Murcia, Francisco J., 2009. "How much inflation is necessary to grease the wheels?," Journal of Monetary Economics, Elsevier, vol. 56(3), pages 365-377, April.
    12. Garín, Julio & Lester, Robert & Sims, Eric, 2016. "On the desirability of nominal GDP targeting," Journal of Economic Dynamics and Control, Elsevier, vol. 69(C), pages 21-44.
    13. Sang-Kun Bae & Ronald A. Ratti, 2008. "Conservative Central Banks and Nominal Growth, Exchange Rate and Inflation Targets," Economica, London School of Economics and Political Science, vol. 75(299), pages 549-568, August.
    14. Madalina-Gabriela ANGHEL & Constantin Anghelache & Tudor SAMSON & Radu STOICA, 2016. "Analysis of index prices of population consumption reveals a moderation through fiscal measures," Romanian Statistical Review Supplement, Romanian Statistical Review, vol. 64(12), pages 148-156, December.
    15. Kim, Jinill & Henderson, Dale W., 2005. "Inflation targeting and nominal-income-growth targeting: When and why are they suboptimal?," Journal of Monetary Economics, Elsevier, vol. 52(8), pages 1463-1495, November.
    16. Alstadheim, Ragna, 2016. "The zero lower bound on the interest rate and a Neoclassical Phillips curve," Journal of Macroeconomics, Elsevier, pages 116-130.
    17. repec:spr:jecfin:v:41:y:2017:i:2:d:10.1007_s12197-016-9357-7 is not listed on IDEAS
    18. Benigno, Pierpaolo & Woodford, Michael, 2006. "Optimal taxation in an RBC model: A linear-quadratic approach," Journal of Economic Dynamics and Control, Elsevier, vol. 30(9-10), pages 1445-1489.
    19. Mollick, André Varella & Cabral, René & Carneiro, Francisco G., 2011. "Does inflation targeting matter for output growth? Evidence from industrial and emerging economies," Journal of Policy Modeling, Elsevier, vol. 33(4), pages 537-551, July.

    More about this item

    Keywords

    inflation targeting; nominal income targeting; optimal monetary policy;

    JEL classification:

    • E0 - Macroeconomics and Monetary Economics - - General
    • E4 - Macroeconomics and Monetary Economics - - Money and Interest Rates
    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit

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