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Policy Evaluation and Design for Continuous Time Linear Rational Expectations Models: Some Recent Developments

  • Buiter, Willem H.

This paper surveys some recent developments in policy evaluation and design in continuous time linear rational expectations models. Much recent work in macroeconomics and open economy macroeconomics fits into this category. First the continuous time analogue of the discrete time solution method of Blanchard and Kahn is reviewed. Some problems associated with this solution method are then discussed, including non-uniqueness and zero roots. Optimal (but in general time-inconsistent) and time-consistent (but in general suboptimal) solutions are derived to the general linear-quadratic optimal control problem, based on work by Calco, Driffill, Miller and Salmon and the author. A numerical example is solved, involving optimal and time-consistent anti-inflationary policy design in a contract model.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 15.

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Date of creation: May 1984
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Handle: RePEc:cpr:ceprdp:15
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  1. Kydland, Finn E & Prescott, Edward C, 1977. "Rules Rather Than Discretion: The Inconsistency of Optimal Plans," Journal of Political Economy, University of Chicago Press, vol. 85(3), pages 473-91, June.
  2. Willem H. Buiter, 1980. "The Role of Economic Policy After the New Classical Macroeconomics," NBER Technical Working Papers 0006, National Bureau of Economic Research, Inc.
  3. Willem H. Buiter & Marcus H. Miller, 1983. "Costs and Benefits of an Anti-Inflationary Policy: Questions and Issues," NBER Working Papers 1252, National Bureau of Economic Research, Inc.
  4. Buiter, Willem H. & Gersovitz, Mark, 1981. "Issues in controllability and the theory of economic policy," Journal of Public Economics, Elsevier, vol. 15(1), pages 33-43, February.
  5. Jennifer F. Reinganum & Nancy L. Stokey, 1981. "The Period of Commitment in Dynamic Games," Discussion Papers 508R, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  6. Willem H. Buiter & Marcus Miller, 1991. "Real Exchange Rate Overshooting and the Output Cost of Bringing Down Inflation," NBER Chapters, in: International Volatility and Economic Growth: The First Ten Years of The International Seminar on Macroeconomics, pages 239-277 National Bureau of Economic Research, Inc.
  7. Bennett T. McCallum, 1981. "On Non-Uniqueness in Rational Expectations Models: An Attempt at Perspective," NBER Working Papers 0684, National Bureau of Economic Research, Inc.
  8. Lipton, David, et al, 1982. "Multiple Shooting in Rational Expectations Models [The Solution of Linear Difference Models under Rational Expectations]," Econometrica, Econometric Society, vol. 50(5), pages 1329-33, September.
  9. Willem H. Buiter & Marcus Miller, 1983. "Real Exchange Rate Overshooting and the Output Cost of Bringing Down Inflation: Some Further Results," NBER Chapters, in: Exchange Rates and International Macroeconomics, pages 317-368 National Bureau of Economic Research, Inc.
  10. Willem H. Buiter, 1981. "A Note on the Solution of A Two-Point Boundary Value Problem Frequently Encountered in Rational Expectations Models," NBER Technical Working Papers 0012, National Bureau of Economic Research, Inc.
  11. Miller, Marcus & Salmon, Mark, 1984. "Dynamic Games and the Time Inconsistency of Optimal Policy in Open Economies," CEPR Discussion Papers 27, C.E.P.R. Discussion Papers.
  12. Bruno, Michael & Sachs, Jeffrey, 1982. "Input Price Shocks and the Slowdown in Economic Growth: The Case of U.K. Manufacturing," Review of Economic Studies, Wiley Blackwell, vol. 49(5), pages 679-705, Special I.
  13. Pearlman, Joseph & Currie, David & Levine, Paul, 1986. "Rational expectations models with partial information," Economic Modelling, Elsevier, vol. 3(2), pages 90-105, April.
  14. 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.
  15. Calvo, Guillermo A, 1978. "On the Time Consistency of Optimal Policy in a Monetary Economy," Econometrica, Econometric Society, vol. 46(6), pages 1411-28, November.
  16. Willem H. Buiter, 1983. "Optimal and Time-Consistent Polices in Continuous Time Rational Expectations Models," NBER Technical Working Papers 0029, National Bureau of Economic Research, Inc.
  17. Michael Bruno & Jeffrey Sachs, 1982. "Input Price Shocks and the Slowdown in Economic Growth: The Case of U.K.Manufacturing," NBER Working Papers 0851, National Bureau of Economic Research, Inc.
  18. Olivier J. Blanchard, 1983. "Methods of Solution and Simulation for Dynamic Rational Expectations Models," NBER Technical Working Papers 0028, National Bureau of Economic Research, Inc.
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