English, Article, Journal or magazine article edition: The Application of Robust Regression to a Production Function Comparison – the Example of Swiss Corn Robert Finger; Werner Hediger

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Bookmark: http://trove.nla.gov.au/version/24354
Physical Description
  • preprint
Language
  • English

Edition details

Title
  • The Application of Robust Regression to a Production Function Comparison – the Example of Swiss Corn
Author
  • Robert Finger
  • Werner Hediger
Physical Description
  • preprint
Notes
  • The adequate representation of crop response functions is crucial for agri-environmental modeling and analysis. So far, the evaluation of such functions focused on the comparison of different functional forms. The perspective is expanded in this article by considering an alternative regression method. This is motivated by the fact that exceptional crop yield observations (outliers) can cause misleading results if least squares regression is applied. We show that such outliers are adequately treated if robust regression is used instead. The example of simulated Swiss corn yields shows that the use of robust regression narrows the range of optimal input levels across different functional forms and reduces potential costs of misspecification.
  • production function estimation, production function comparison, robust regression, crop response
  • RePEc:ied:wpsied:08-02
Language
  • English
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