The purpose of this research is to develop and test a model of the demand for money within a general optimising model of household behaviour. The framework adopted is the direct utility approach. The services of money and money substitutes, along with the services of consumption goods (durable and non durable) and leisure are assumed to enter as arguments in the representative household's utility function. The theoretical part of the thesis consists of applying the tools of modern utility theory to the particular problem of the demand for money. The development and solution of the model provides a clear basis for interpreting the demand equations used in estimation, and also makes explicit various assumptions implicit in previous empirical...