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Optimal Depreciation Schedules for Regulated Utilities

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  • Rogerson, William P

Abstract

This paper derives the combined effect of depreciation schedules and regulatory lag on a firm's choice of input mix. It shows that a schedule called the real constant (RC) schedule induces efficient capital-labor proportions. More (less) accelerated schedules cause undercapitalization (overcapitalization). Since most typically used schedules are accelerated relative to the RC schedule, they lead to undercapitalization. Testable predictions are derived by showing that these distortions become more severe as the inflation rate increases and as the lag length decreases. Copyright 1992 by Kluwer Academic Publishers

Suggested Citation

  • Rogerson, William P, 1992. "Optimal Depreciation Schedules for Regulated Utilities," Journal of Regulatory Economics, Springer, vol. 4(1), pages 5-33, March.
  • Handle: RePEc:kap:regeco:v:4:y:1992:i:1:p:5-33
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    Cited by:

    1. Kidokoro, Yukihiro, 1998. "Rate of return regulation and rate base valuation," Regional Science and Urban Economics, Elsevier, vol. 28(5), pages 629-654, September.
    2. Dominik Schober, 2013. "Refinancing under Yardstick Regulation with Investment Cycles–The Case of Long-Lived Electricity Network Assets," EWL Working Papers 1321, University of Duisburg-Essen, Chair for Management Science and Energy Economics, revised Jun 2013.
    3. Küpper, Hans-Ulrich & Pedell, Burkhard, 2016. "Which asset valuation and depreciation method should be used for regulated utilities? An analytical and simulation-based comparison," Utilities Policy, Elsevier, vol. 40(C), pages 88-103.
    4. Schober, Dominik & Weber, Christoph, 2015. "Refinancing under yardstick regulation with investment cycles: The case of long-lived electricity network assets," ZEW Discussion Papers 15-065, ZEW - Leibniz Centre for European Economic Research.
    5. John Christensen & Joel Demski, 1995. "Project selection and audited accrual measurement in a multi-task setting," European Accounting Review, Taylor & Francis Journals, vol. 4(3), pages 405-432.
    6. Graeme Guthrie, 2006. "Regulating Infrastructure: The Impact on Risk and Investment," Journal of Economic Literature, American Economic Association, vol. 44(4), pages 925-972, December.
    7. Jennergren, L. Peter, 2018. "A note on the linear and annuity class of depreciation methods," International Journal of Production Economics, Elsevier, vol. 204(C), pages 123-134.
    8. Fellows, G. Kent, 2011. "Negotiated settlements with a cost of service backstop: The consequences for depreciation," Energy Policy, Elsevier, vol. 39(3), pages 1505-1513, March.
    9. repec:vuw:vuwscr:18946 is not listed on IDEAS
    10. William P. Rogerson, 1993. "Inter-temporal Cost Allocation and Managerial Investment Incentives," Discussion Papers 1060, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
    11. G. Fellows, 2015. "The capital structure of a firm under rate of return regulation: durability and the yield curve," Journal of Regulatory Economics, Springer, vol. 47(3), pages 273-299, June.
    12. Guthrie, Graeme, 2006. "Regulating Infrastructure: The Impact on Risk and Investment," Working Paper Series 18946, Victoria University of Wellington, The New Zealand Institute for the Study of Competition and Regulation.
    13. Rogerson William P, 2011. "On the Relationship Between Historic Cost, Forward Looking Cost and Long Run Marginal Cost," Review of Network Economics, De Gruyter, vol. 10(2), pages 1-31, June.
    14. William P. Rogerson, 2008. "Intertemporal Cost Allocation and Investment Decisions," Journal of Political Economy, University of Chicago Press, vol. 116(5), pages 931-950, October.
    15. Kent Fellows, "undated". "Capital Input Decisions under Rate of Return Regulation," Working Papers 2014-37, Department of Economics, University of Calgary, revised 06 Nov 2014.

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