4Bernanke. B. and Gertler, M. , 1989. "Agency costs, net worth and business cycle fluctuations", American Economic Re- view, Vol. 79 ( 1 ) , pp. 14 - 31.
5Charles L. Weise, 1999, "The Asymmetric Effects of Monetary Policy. A Nonlinear Vector Auto, regression Approach," Journal of Money, Credit, and Banking, Feb. ,pp. 85 - 108.
6Carlino G. , R. DeFina, 1999, "Monetary Policy and The US States and Regions . Some Implications for European Monetar- y Union", in. J. yon Hagen en C. Waller( eds. ) Common Money, Uncommon Regions, Kluwer Academic Publishers , forthcoming.
7D. Tsiddon, 1991, "The(Mis) Behavior of the Aggregate Price Level", Working Paper.
8David Fielding , Kalvinder Shields ,2005, "Asymmetries in the Effects of Monetary Policy . the Case of South Africa", E- conomic Discussion Papers, University of Otago.
9Dedola, L. and Lippi, F. , 2000, "The monetary transmission mechanism. evidence from the industry data of five OECD countries " ,European Economic Review forthcoming.
10Greene W. H,2000, Econometric Analysis (4ed.), Upper Saddle River, New Jersey. Prentice - Hall Press.
