Vertical and horizontal scope economies in the regulated U.S. electric power industry

Arocena, Pablo, Saal, David S. and Coelli, Tim (2012) Vertical and horizontal scope economies in the regulated U.S. electric power industry. Journal of Industrial Economics, 60 3: 434-467. doi:10.1111/j.1467-6451.2012.00486.x

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Author Arocena, Pablo
Saal, David S.
Coelli, Tim
Title Vertical and horizontal scope economies in the regulated U.S. electric power industry
Journal name Journal of Industrial Economics   Check publisher's open access policy
ISSN 0022-1821
1467-6451
Publication date 2012-09-01
Sub-type Article (original research)
DOI 10.1111/j.1467-6451.2012.00486.x
Volume 60
Issue 3
Start page 434
End page 467
Total pages 34
Place of publication Chichester, West Sussex, United Kingdom
Publisher Wiley-Blackwell Publishing
Language eng
Abstract This paper investigates vertical economies between generation and distribution of electric power, and horizontal economies between different types of power generation in the U.S. electric utility industry. Our quadratic cost function model includes three generation output measures (hydro, nuclear and fossil fuels), which allows us to analyze the effect that generation mix has on vertical economies. Our results provide (sample mean) estimates of vertical economies of 8.1% and horizontal economies of 5.4%. An extensive sensitivity analysis is used to show how the scope measures vary across alternative model specifications and firm types.
Keyword Utility industry
Scale economies
Integration
Cost
Generation
Efficiency
Deregulation
Management
Delivery
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
School of Economics Publications
 
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Citation counts: TR Web of Science Citation Count  Cited 7 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 9 times in Scopus Article | Citations
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Created: Sun, 25 Nov 2012, 10:16:38 EST by System User on behalf of School of Economics