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Perspectives on Nonparametric and Semiparametric Modeling

Adonis Yatchew
The Energy Journal
Vol. 29, Special Issue to Acknowledge the Contribution of Campbell Watkins to Energy Economics (2008), pp. 17-29
Stable URL: http://www.jstor.org/stable/41323132
Page Count: 13
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Perspectives on Nonparametric and Semiparametric Modeling
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Abstract

Nonparametric regression techniques hold out the promise of more flexible modeling of data in many areas of physical, biological and social sciences. However, their use is hampered by the "curse of dimensionality" which imposes enormous data requirements as the number of explanatory variables increases. After summarizing two of the most commonly used methods for mitigating the "curse", this paper outlines a new approach which exploits data on derivatives. In economics, such circumstances arise in the joint estimation of cost and factor demand functions, or when production function data are combined with data on factor prices. The ideas are illustrated using empirical examples from energy economics.

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