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Impact of High-Powered Incentive Regulations on Efficiency and Productivity Growth of Norwegian Electricity Utilities

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  • Livingstone Senyonga
  • Olvar Bergland

Abstract

This study examines the hypothesis that changes to high-powered incentive regulations have a positive efficiency and productivity growth effects in a regulated electricity distribution industry. We estimate an input distance function using the stochastic frontier analysis method to compute technical efficiency scores for 121 Norwegian utilities over the period 2004-2012. We explore sources of productivity growth by parametrically decomposing the Malmquist productivity index into efficiency change, technical change, and scale change. Unlike previous studies, we examine the difference in performance across two regulatory regimes: yardstick competition (2007-2012) and RPI-X incentive regulation (2004-2006). Results show significant efficiency and productivity growth improvements with embodied technical change as the main driver.

Suggested Citation

  • Livingstone Senyonga & Olvar Bergland, 2018. "Impact of High-Powered Incentive Regulations on Efficiency and Productivity Growth of Norwegian Electricity Utilities," The Energy Journal, , vol. 39(5), pages 231-256, September.
    • Handle: RePEc:sae:enejou:v:39:y:2018:i:5:p:231-256
    DOI: 10.5547/01956574.39.5.lsen
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    References listed on IDEAS

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