Suchergebnisse

Time series analyses of total water production and domestic and commercial sales in the Goleta County Water District were performed to evaluate the extent to which a local water moratorium and conservation campaign have influenced water consumption. The findings indicated an average 15% reduction in water consumption for the three years following the implementation of the moratorium.

In this paper we provide a didactic introduction to econometric estimation procedures for data with both cross-sectional and longitudinal variation. Several different ap proaches are discussed, and data from an earlier study by Deutsch and Alt (1977) are reanalyzed as an example.