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Simple LM tests of mis-specification for ordered logit models

Authors
Journal
Economics Letters
0165-1765
Publisher
Elsevier
Publication Date
Volume
52
Issue
2
Identifiers
DOI: 10.1016/s0165-1765(96)00864-6
Keywords
  • Ordered Logit
  • Lagrange Multiplier Test
  • Artificial Regression

Abstract

Abstract Lagrange multiplier tests for omitted variables, heteroscedasticity, incorrect functional form and asymmetry in the ordered logit model may be readily calculated using an artificial regression. The proposed artificial regression is both convenient and likely to have better small-sample properties than the more common outer product, gradient-based artificial regression.

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