On the existence of an approximate representative household : a contribution to the aggregation problem and to the theory of linear expenditure systems

Delimitation of the calss of budget-constrained utility maximizing partially linear consumer expenditure functions

Somermeyer, W. H., (1973)

An empirical model of time and expenditure allocation

Abbott, Michael Gilbert, (1975)

Optimal multiperiod investment-consumption policies

Abrams, Robert A., (1980)