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Specification testing when score test statistics are identically zero : the extremum test
Lee, Lung-fei, (1984)
Probleme von Hypothesentests in kleinen Stichproben und bei Fehlspezifikationen
Müller-Brockhausen, Gerd, (1987)
A general likelihood approach to the instrumental variable estimation and test of misspecifications
Pesaran, M. Hashem, (1984)
Live long. live well : quantifying the health of heterogenous populations
Mullahy, John, (2000)
Interaction effects and difference-in-difference estimation in loglinear models
Mullahy, John, (1999)
Much ado about two : reconsidering retransformation and the two-part model in health econometrics
Mullahy, John, (1998)