A Note on the Weibull Distribution and Time Aggregation Bias
Forfattere:
Røed, Knut and Zhang, Tao
År:
2002
Referanse:
Vol. 9, No.7, 469-472Sammendrag (engelsk)
The application of continuous time Weibull models on discrete unemployment duration data may result in severely biased baseline estimates. 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.
Nøkkelord:
Unemployment duration, Weibull model, Time aggregation bias
JEL:
C41
Prosjekt info:
Oppdragsgiver: Norges forskningsrådOppdragsgivers prosjektnr.:
Frisch prosjekt: 1203 - Sortering, utsatte grupper og arbeidsmarkedstiltak
Finansiering:
Forskningsrådet