Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/63031 
Year of Publication: 
2000
Series/Report no.: 
Memorandum No. 2000,23
Publisher: 
University of Oslo, Department of Economics, Oslo
Abstract: 
The application of continuous time Weibull models on discrete unemployment duration data may produce bias in the estimated shape of the hazard rate. The bias can be substantial even for weekly duration data, and it is seriously aggravated if the Weibull model is erroneously mixed with a Gamma distribution for unobserved heterogeneity.
Subjects: 
Unemployment duration
Weibull model
Time aggregation bias
JEL: 
C41
Document Type: 
Working Paper

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