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Autoren: 
Krüger, Jens
Datum: 
2015
Reihe/Nr.: 
Darmstadt Discussion Papers in Economics 223
Zusammenfassung: 
We apply various refinements of survival regression to assess the results of some basic specifications based on product life cycle theory for the case of a data set of the German automobile industry. The methods applied pay attention to biases in the coefficient estimates and the standard errors, the discrete nature of the duration data and the presence of unobserved heterogeneity. Robust estimation methods are also applied. We find that that the coefficient estimates and standard errors are not much affected by applying the renewed estimators. The substantial results of a previous study with the same data are unchanged.
Schlagwörter: 
firm survival
Cox regression
robustness assessment
JEL: 
C41
C25
C14
L10
L62
O33
Persistent Identifier der Erstveröffentlichung: 
Dokumentart: 
Working Paper

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