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Projection pursuit regression and disaggregate productivity effects: the case of the Indian blast furnaces

  • Sanghamitra Das

    (Planning Unit, Indian Statistical Institute, India)

  • Ramprasad Sengupta

    (Centre of Economic Studies and Planning, Jawaharlal Nehru University, India)

Productivity of blast furnaces in India is studied by disaggregating the production process and the utilization process. A dimension-reducing nonparametric approach-projection pursuit regression-is used. We find that productivity can be increased significantly by improving the quality of coal. There is no evidence that executives have a positive marginal product. The production workers have a negative marginal product for the production process and a positive one for the utilization process. But the training of executives has a positive effect whereas that of the production workers has a negative effect on productivity. Copyright © 2004 John Wiley & Sons, Ltd.

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Article provided by John Wiley & Sons, Ltd. in its journal Journal of Applied Econometrics.

Volume (Year): 19 (2004)
Issue (Month): 3 ()
Pages: 397-418

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Handle: RePEc:jae:japmet:v:19:y:2004:i:3:p:397-418
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