10.2190/FHFG-L0L5-H20N-VVJG FHFGL0L5H20NVVJG 5 Extending Gas and Electric Lines at the Urban Fringe: A Statistical Analysis 77 91 20020509 20020509 20020509 20020509 FHFGL0L5H20NVVJG.pdf http://baywood.metapress.com/link.asp?target=contribution&id=FHFGL0L5H20NVVJG 1 Jean-Michel Guldmann Department of City and Regional Planning, The Ohio State University The expansion process of gas and electricity distribution networks at the urban-rural fringe is modeled through statistical regression analysis, using gas mains and electric conductor mileages, market, and density data over a cross-section of California communities. The estimated models are used to analyze the impact of market size, to calculate the marginal mileage requirements of each market component, and to assess alternative staging policies for utility network development. J. S. Dajani and R. S. Gemmell, Economic Guidelines for Public Utilities Planning, <i>Journal of the Urban Planning and Development Division</i> (ASCE), <i>99</i>:2, pp. 171-182, 1973. Real Estate Research Corporation, <i>The Costs of Sprawl: Detailed Cost Analysis</i>, U. S. Government Printing Office, Washington, D. C., 1974. P. B. Downing, Extension of Sewer Service at the Urban-Rural Fringe, <i>Land Economics, 45</i>, pp. 103-111, 1969. R. D. Tabors, M. H. Shapiro, and P. P. Rogers, <i>Land Use and the Pipe</i>, Lexington Books, Lexington, Massachusetts, 1976. J. M. Guldmann, Modeling the Structure of Gas Distribution Costs in Urban Areas, <i>Regional Science and Urban Economics, 13</i>:3, pp. 299-316, 1983. F. J. Wells, The Effects of Customer Density on Electrical Distribution Costs, in <i>Local Service Pricing Policies and Their Effect on Urban Spatial Structure</i>, P. B. Downing (ed.), University of British Columbia Press, Vancouver, B. C., 1977. J. M. Guldmann, An Econometric Model of Electricity Distribution Systems in Urban Areas, <i>Environment and Planning A</i>, (forthcoming). J. M. Guldmann, W. Pollard, and R. A. Tybout, <i>Marginal Cost Pricing for Gas Distribution Utilities: Further Analyses and Models</i>, Report No. 81-9, The National Regulatory Research Institute, Columbus, Ohio, 1981. Census of Population—1970, <i>Population of Places of 2500 or More—1960 and 1970</i>, Supplemental Report PC(SI)-26, U. S. Government Printing Office, Washington, D. C., 1972. P. Rao and R. L. Miller, <i>Applied Econometrics</i>, Wadsworth, Belmont, California, 1971. S. H. Goldfeld and R. E. Quandt, Some Tests for Homoscedasticity, <i>Journal of the American Statistical Society, 60</i>, pp. 539-547, 1965. W. J. Baumol, On the Proper Cost Tests for Natural Monopoly in a Multiproduct Industry, <i>American Economic Review, 67</i>:5, pp. 809-822, 1977.