Recommended readings (Machine generated): James Tobin (1955), 'A Dynamic Aggregative Model', Journal of Political … Economy, 63 (2), April, 103-15 -- James Tobin (1956), 'The Interest-Elasticity of Transactions Demand for Cash', Review of … Economics and Statistics, XXXVIII (3), August, 241-7 -- J. Tobin (1958), 'Liquidity Preference as Behavior Towards Risk', Review …