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Equivalence of the Standard and the Modified Switching Regression Models


  • Ai, Chunrong
  • Cassou, Steven P


Hans van Ophem (1993) employed a switching regression model with earnings entering the choice equation to investigate earnings differentials between the public and private sectors. Ophem also described a 'modified switching regression model' in which only the equation for unknown earnings is substituted into the choice equation. He argued that the coefficients in the choice equation can be identified in the modified switching regression model without exclusion restrictions and that estimates from the modified switching regression model are more efficient than estimates from the standard switching regression model. The authors show that there are flaws in Ophem's analysis which invalidate his claims. Copyright 1996 by MIT Press.

Suggested Citation

  • Ai, Chunrong & Cassou, Steven P, 1996. "Equivalence of the Standard and the Modified Switching Regression Models," The Review of Economics and Statistics, MIT Press, vol. 78(2), pages 365-366, May.
  • Handle: RePEc:tpr:restat:v:78:y:1996:i:2:p:365-66

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