This note presents tests of the specification of univariate and bivariate ordered probit. The test is sensitive to deviations from either normality or the exogeneity of the explanatory variables. As an example, the ownership of dogs and televisions, both sources of time-intensive entertainment, is studied. The specification for dogs is not rejected, the specification for televisions is rejected at the 2.0% level, and the specification of both together is rejected at the 1.3% level.
机构:
Baylor Coll Med, Div Biostat, Dan L Duncan Canc Ctr, Houston, TX 77030 USABaylor Coll Med, Div Biostat, Dan L Duncan Canc Ctr, Houston, TX 77030 USA
Liu, Hao
Qin, Jing
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机构:
NIAID, Biostat Res Branch, NIH, 9000 Rockville Pike, Bethesda, MD 20892 USABaylor Coll Med, Div Biostat, Dan L Duncan Canc Ctr, Houston, TX 77030 USA