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Estimation of Substitution Parameter in Indian Industries: A disaggregated approach

Author

Listed:
  • Rajesh Chadha
  • Sanjib Pohit
  • P.L. Bina
  • N. Sangeeta

    (National Council of Applied Economic Research)

Abstract

In the past, growth models have been constructed and analyzed with the help of a production function subject to certain restrictive features. For quite some time, the Cobb-Douglas production function (CD) with its input exponents adding upto unity and a unitary elasticity of substitution were mostly used by the economists for analysis. In recent times, the constant elasticity of substitution production function (CES) which includes CD, as well as Leontif production function as its special case has been widely used in various studies. One major limitation of this production function is that the elasticity of substitution parameter is not variable along an isoquant, though it can take different values for different values for different industries. We have made an attempt to test whether the estimated values of elasticity of substitution between labour and capital for a sector tend to change from one year to another and also whether it is CD or CES production function that characterizes a particular sector.

Suggested Citation

  • Rajesh Chadha & Sanjib Pohit & P.L. Bina & N. Sangeeta, 1996. "Estimation of Substitution Parameter in Indian Industries: A disaggregated approach," NCAER Working Papers 62, National Council of Applied Economic Research.
    • Handle: RePEc:nca:ncaerw:62
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    File URL: https://www.ncaer.org/publication/estimation-of-substitution-parameter-in-indian-industries-a-disaggregated-approach
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    JEL classification:

    • L6 - Industrial Organization - - Industry Studies: Manufacturing
    • L60 - Industrial Organization - - Industry Studies: Manufacturing - - - General

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