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Optimal Destabilisation, Active Learning and the Choice of Step Length in Policy Reform

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  • Frewer, Geoff

Abstract

A theoretical model is presented in which the decision maker's choice of step length for reform is allowed to depend on the consequences which this is expected to have for the accuracy of information about the structure of the economy. Also, destabilisation by means of introducing variance into policies, is desirable under some circumstances since it speeds up the learning process.

Suggested Citation

  • Frewer, Geoff, 1985. "Optimal Destabilisation, Active Learning and the Choice of Step Length in Policy Reform," The Warwick Economics Research Paper Series (TWERPS) 265, University of Warwick, Department of Economics.
  • Handle: RePEc:wrk:warwec:265
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    File URL: https://www2.warwick.ac.uk/fac/soc/economics/research/workingpapers/1978-1988/twerp265.pdf
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    References listed on IDEAS

    as
    1. Waud, Roger N, 1976. "Asymmetric Policymaker Utility Functions and Optimal Policy Under Uncertainty," Econometrica, Econometric Society, vol. 44(1), pages 53-66, January.
    2. Sanford J. Grossman & Richard E. Kihlstrom & Leonard J. Mirman, 1977. "A Bayesian Approach to the Production of Information and Learning By Doing," Review of Economic Studies, Oxford University Press, vol. 44(3), pages 533-547.
    3. Diamond, Peter A. & Stiglitz, Joseph E., 1974. "Increases in risk and in risk aversion," Journal of Economic Theory, Elsevier, vol. 8(3), pages 337-360, July.
    4. Bray, Margaret, 1982. "Learning, estimation, and the stability of rational expectations," Journal of Economic Theory, Elsevier, vol. 26(2), pages 318-339, April.
    5. Bertrand, Trent J & Vanek, Jaroslav, 1971. "The Theory of Tariffs, Taxes, and Subsidies: Some Aspects of the Second Best," American Economic Review, American Economic Association, vol. 61(5), pages 925-931, December.
    6. Rothschild, Michael, 1974. "A two-armed bandit theory of market pricing," Journal of Economic Theory, Elsevier, vol. 9(2), pages 185-202, October.
    7. Kenneth J. Arrow, 1962. "The Economic Implications of Learning by Doing," Review of Economic Studies, Oxford University Press, vol. 29(3), pages 155-173.
    8. Xavier Freixas & Roger Guesnerie & Jean Tirole, 1985. "Planning under Incomplete Information and the Ratchet Effect," Review of Economic Studies, Oxford University Press, vol. 52(2), pages 173-191.
    9. Jerusalem D. Levhari & T. N. Srinivasan, 1969. "Optimal Savings under Uncertainty," Review of Economic Studies, Oxford University Press, vol. 36(2), pages 153-163.
    10. Malinvaud, E, 1969. "First Order Certainty Equivalence," Econometrica, Econometric Society, vol. 37(4), pages 706-718, October.
    11. Henry, Claude, 1974. "Investment Decisions Under Uncertainty: The "Irreversibility Effect."," American Economic Review, American Economic Association, vol. 64(6), pages 1006-1012, December.
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