3J.S. Cramer. The volume of transactions and the circulation of money in the United States, 1950-1979 [ J]. Journal of Business and Economic Statistics, 1986, (2) : 225 - 232.
4A.J.Field. Asset exchanges and the transactions demand of money, 1919-1929 [ J].American Economic Review,1984, (Mar.): 43 - 59.
5M.D.Bordo, L.Jonung. The Long-run Behavior of the Velocity of Circulation [M].New York: Cambridge University Press, 1987.
