This paper presents a model of pricing for public utilities where demand varies with space, rather than with time. After different policies regarding zoning are accounted for, a model integrating the spatial and temporal models is outlined to permit an examination of the interaction of peak...

The main purpose of this paper is to give a set of necessary conditions for the determination of the optimal switching points between peak and off-peak tariffs. Optimal tariffs are also determined, with some remarks made on the number of different tariff rates and on the best level of capacity...