2Friedman, B. M., 1975, "Targets, Instruments and Indicators of Monetary Policy. "Journal of Monetary Economics, 1 (4) :443 - 473.
3Friedman, B. M., 1977, "The Inefficiencies of Short- Run Monetary Targets for Monetary Policy." Brookinigs Papers on Economic Activity,2:293 - 335.
4Friedman,B.M. ,1990,"Targets and Instnuments of Monetary Policy," in B. Friedman and F. Hahn (eds.) The Handbook of Monetary Ecomomics, Vol. Ⅱ, Amsterdam: North - Holland: 1183 - 1230.
5Karekeen, J. H., T. Muench and N. Wallace, 1973, "Optimal Open Market Strategies: The Use of Information Variables. "American Economic Review,63(1): 156- 172.
6Lucas, Robert E. Jr. (1973). "Some International Evidence on Output - lnflation Tradeoffs. "Arnericon Economic Review, 63 (3): 326 - 334.
7Walsh,C.E. 1999, Monetary Theory and Policy.MIT Press.
