Scope and Scale Economies in Multi-Utilities: Evidence from Gas, Water and Electricity Combinations (Articolo in rivista)

Type
Label
  • Scope and Scale Economies in Multi-Utilities: Evidence from Gas, Water and Electricity Combinations (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1080/0003684042000245543 (literal)
Alternative label
  • Fraquelli G., Piacenza M., Vannoni D. (2004)
    Scope and Scale Economies in Multi-Utilities: Evidence from Gas, Water and Electricity Combinations
    in Applied economics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Fraquelli G., Piacenza M., Vannoni D. (literal)
Pagina inizio
  • 2045 (literal)
Pagina fine
  • 2057 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 36 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Fraquelli G.: Università del Piemonte Orientale e Ceris-CNR Vannoni D.: Università di Torino e Ceris-CNR Piacenza M. :Ceris-CNR (literal)
Titolo
  • Scope and Scale Economies in Multi-Utilities: Evidence from Gas, Water and Electricity Combinations (literal)
Abstract
  • Within the recent debate on liberalization of local public services, the paper investigates the cost properties of a sample of Italian public utilities providing in combination gas, water and electricity. The estimates from a Composite Cost Function econometric model (Pulley and Braunstein, 1992) are compared with the ones coming from other traditional functional forms such as the Standard Translog, the Generalized Translog, and the Separable Quadratic. The results highlight the presence of global scope and scale economies only for multi-utilities with output levels lower than the ones characterizing the 'median' firm. This indicates that relatively small specialized firms would benefit from cost reductions by evolving into multi-utilities providing similar network services such as gas, water and electricity. However, for larger-scale utilities the hypothesis of null cost advantages is not rejected. Thus, it is possible that the recent diversification waves of leading companies are explained by factors other than cost synergies, so that the welfare gains that can be reasonably expected from such examples of horizontal integration, if any, are likely to be very low. (literal)
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