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Learning Curves and Changing Product Attributes: the Case of Wind Turbines

Author

Listed:
  • Louis Coulomb

    (Faculty of Economics, University of Cambridge)

  • Karsten Neuhoff

    (Faculty of Economics, University of Cambridge)

Abstract

The heuristic concept of learning curves describes cost reductions as a function of cumulative production. A study of the Liberty shipbuilders suggested that product quality and production scale are other relevant factors that affect costs. Significant changes of attributes of a technology must be corrected when assessing the impact of learning-by-doing. We use an engineering-based model to capture the cost changes of wind turbines that can be attributed to changes in turbine size. We estimate the learning curve and turbine size parameters using more than 1500 price points from 1991 to 2003. The fit between model and empirical data confirms the concept.
(This abstract was borrowed from another version of this item.)

Suggested Citation

  • Louis Coulomb & Karsten Neuhoff, 2006. "Learning Curves and Changing Product Attributes: the Case of Wind Turbines," Working Papers EPRG 0601, Energy Policy Research Group, Cambridge Judge Business School, University of Cambridge.
    • Handle: RePEc:enp:wpaper:eprg0601
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    JEL classification:

    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • N70 - Economic History - - Economic History: Transport, International and Domestic Trade, Energy, and Other Services - - - General, International, or Comparative
    • L64 - Industrial Organization - - Industry Studies: Manufacturing - - - Other Machinery; Business Equipment; Armaments
    • L94 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Electric Utilities

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