Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/192301 
Authors: 
Year of Publication: 
2002
Series/Report no.: 
Discussion Papers No. 319
Publisher: 
Statistics Norway, Research Department, Oslo
Abstract: 
As is known from the economic literature, the notion of negative/positive duration dependence defined in terms of a decreasing/increasing hazard function can solely be used as a basis for revealing whether negative/positive duration dependence is present or not. However, when concern is directed to comparison and measurement of the extent of duration dependence in duration distributions alternative definitions and methods are called for. To this end we propose a stronger as well as a weaker version of the standard definition of duration dependence and demonstrate that these definitions form a useful basis for developing appropriate duration dependence orderings and summary measures of duration dependence.
Subjects: 
Hazard rate models
duration dependence orderings
summary measures of duration dependence
the Weibull distribution
PH and MPH models.
JEL: 
J64
Document Type: 
Working Paper

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