The paper develops and explores tests, based on standard moment specifications, for the identifiability of parameters apparently estimable by instrumental variables. An asymptotic expansion under standard restrictive assumptions on the error distribution suggests a correction to the asymptotic distribution. A small sampling experiment indicates that the tests are of use.
机构:
Iowa State Univ, Dept Econ, 518 Farm House Lane,260 Heady Hall, Ames, IA 50011 USAIowa State Univ, Dept Econ, 518 Farm House Lane,260 Heady Hall, Ames, IA 50011 USA
Kedagni, Desire
Mourifie, Ismael
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机构:
Univ Toronto, Dept Econ, 150 St George St, Toronto, ON M5S 3G7, CanadaIowa State Univ, Dept Econ, 518 Farm House Lane,260 Heady Hall, Ames, IA 50011 USA