A Note on Rules, Authorities, and Information A. A. Walters Journal of Political Economy 1972 80(1), 176-178
The Demand for Money--the Dynamic Properties of the Multiplier A. A. Walters Journal of Political Economy 1967 75(3), 293-298
Professor Friedman on the Demand for Money A. A. Walters Journal of Political Economy 1965 73(5), 545-551