For a long time, the standard econometric approach consisted of specifying both the systematic component (e.g., regression functions) and the stochastic component (e.g., the distribution of unobservable “error” terms) fully up to some unknown finite-dimensional parameter vector. Estimation and testing were only concerned with this finite-dimensional parameter vector, for example, by applying least squares methods or maximum likelihood. This approach, however, may be far too restrictive by allowing variability only through the finite-dimensional parameter vector, with the model being not flexible enough to give a good approximation to reality. If the approximation is not sufficiently close, inference based on the model under consideration becomes more or less meaningless.


Maximum Likelihood Estimator Nonparametric Method Nonparametric Regression Instrumental Variable Estimation Maximum Likelihood Estimator 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 1996

Authors and Affiliations

  • Myoung-jae Lee
    • 1
  1. 1.Department of EconometricsTilburg UniversityTilburgThe Netherlands

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