6Ando, A., Modigliani, F. and Shell, K, 1975, "Some reflections on describing structures of financial sectors," in The Brooking Model: Perspectives and Recent Developments, ed. G. Fromm and L. Klein, New York: American Elsevier, Amsterdam and Oxford: North-Holland.
7Ando, A. and K. Shell, 1975, "Demand for money in a general portfolio model, "in The Brooking Model: Perspectives and Recent Developments, ed. G. Fromm and L. Klein, New York: American Elsevier, Amsterdam and Oxford: North-Holland.
8Allen, R.A., 1994, "New Uses of Money and the Collapse of Monetary Velocity, "in Financial Crises and Recession in the Global Economy, Edward Elgar.
9Barro, R.J. and Fischer, S, 1976, "Recent developments in monetary theory," Journal of Monetary Economics, 2(2), pp. 133-67.
10Baumol, W.J., 1952, "The transactions demand for cash-an inventary theoretic approach, "Quarterly Journal of Economics, 66, pp.545-56.