Density and Integration Effects on Class I U.S. Freight RailroadsMarc Ivaldi, Gerard McCullough2001-03-01articleJournal of Regulatory Economics102 citationsclosedNo readable copy stored yet — this record is metadata only.Transport and Economic PoliciesMerger and Competition AnalysisAviation Industry Analysis and TrendsAbstractNo abstract was published for this record.Citations in this libraryStored only when both papers are in the corpus — 102 citations exist upstream.References1993A Theory of Incentives in Procurement and Regulation1973Transcendental Logarithmic Production Frontiers1980Economies of scope and the scope of the enterprise1971An Application of the Shephard Duality Theorem: A Generalized Leontief Production Function1966Specification and Estimation of Cobb-Douglas Production Function Models1980Flexible Cost Functions for Multiproduct Firms1992Fare Determination in Airline Hub-and-Spoke Networks1978Cost, Revenue, and Profit FunctionsCited by2004Subadditivity Tests for Network Separation with an Application to U.S. Railroads2001Vertical relationships for the European railway industry