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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)
Unobserved heterogeneity in hazard rate models : a test and an ill. from a study of career mobility
Blossfeld, Hans-Peter, (1987)
Econometric foundations
Mittelhammer, Ron C., (2000)
The structure of Pacific Northwest beef cattle industry
Folwell, Raymond J., (1991)
Assessing the effectiveness of MPP meat advertising and promotion in the Japanese market
Comeau, Allison, (1996)