This paper deals with the regularity problem in the Almost Ideal Demand System (AIDS) in terms of the boundedness of the budget shares within the [0,1] interval. The violation of "cointegration accounting" can be seen just as another consequence of irregularity. The discussion of modifications...

This paper describes final energy demand for different fuels at a disaggregated level of 12 activities of the economy plus households. The model used combines single equations for total final energy demand with translog functions for inter-fuel substitution. At both stages embodied and...