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Elasticities of Substitution in Nested CES Systems


  • McDougall, Robert


We provide a minimal derivation of the Keller formula for outer elasticities of substitution in nested CES systems.

Suggested Citation

  • McDougall, Robert, 2009. "Elasticities of Substitution in Nested CES Systems," GTAP Research Memoranda 3161, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University.
  • Handle: RePEc:gta:resmem:3161
    Note: GTAP Research Memorandum No. 16

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    16. Kennedy, Peter, 1983. "Logarithmic Dependent Variables and Prediction Bias," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 45(4), pages 389-392, November.
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    Cited by:

    1. Michetti, Melania & Parrado, Ramiro, 2012. "Improving land-use modelling within CGE to assess forest-based mitigation potential and costs," Congress Papers 124380, Italian Association of Agricultural and Applied Economics (AIEAA).

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