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

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  • Buiter, Willem H.

Abstract

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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  • Buiter, Willem H., 1984. "Policy Evaluation and Design for Continuous Time Linear Rational Expectations Models: Some Recent Developments," CEPR Discussion Papers 15, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:15
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    Cited by:

    1. Amitrajeet Batabyal, 1996. "Consistency and optimality in a dynamic game of pollution control I: Competition," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 8(2), pages 205-220, September.
    2. Willem H. Buiter, 2004. "The Elusive Welfare Economics of Price Stability as a Monetary Policy Objective: Should New Keynesian Central Bankers Pursue Price Stability?," NBER Working Papers 10848, National Bureau of Economic Research, Inc.
    3. Amitrajeet Batabyal, 1996. "Consistency and optimality in a dynamic game of pollution control II: Monopoly," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 8(3), pages 315-330, October.
    4. Alberto Petrucci, 2004. "Asset Accumulation, Fertility Choice and Nondegenerate Dynamics in a Small Open Economy," Working Papers 2004.121, Fondazione Eni Enrico Mattei.
    5. Grande, G., 1997. "Properties of the Monetary Conditions Index," Papers 324, Banca Italia - Servizio di Studi.
    6. Buiter, Willem H., 2006. "The elusive welfare economics of price stability as a monetary policy objective: why New Keynesian central bankers should validate core inflation," Working Paper Series 609, European Central Bank.
    7. van der Ploeg, Frederick, 1987. "International Interdependence and Policy Coordination in Economies with Real and Nominal Wage Rigidity," CEPR Discussion Papers 217, C.E.P.R. Discussion Papers.
    8. Sen, Partha & Turnovsky, Stephen J., 1990. "Investment tax credit in an open economy," Journal of Public Economics, Elsevier, vol. 42(3), pages 277-299, August.

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