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• W. Poole, 'Optimal Choice of Monetary Policy Intruments in a Simple Stochastic Macro Model", g,JE, 1970 pp. 197-216.
• W. Poole, 'The Theory of Monetary Policy Under Uncertainty", in Smith & Teigen (eds.) Readings in Money, National Income and Stabilisation Policy, 1978 pp. 327-333.
• W. Brainard, "Uncertainty and Effectiveness of Policy", AER P & P, May 1967, pp. 411-424.
• L. Leroy & DE. Lindsey, "Determining the Monetary Instrument: A Diagramatic Exposition" AER 1978, pp. 929-34.