Arbeitspapier

Semiparametric identification in duration models

This paper explores the identifiability of ratios of derivatives of the index function in a model of a duration process in which the impact of covariates on the hazard function passes through a single index. The model allows duration and the index to appear in a nonseparable form in the hazard function and includes a latent heterogeneity term which acts multiplicatively on the hazard function. The model allows covariates to be endogenous, that is to be correlated with the heterogeneity term. Quantile invariance, local order and local rank conditions are shown to be sufficient to permit identification of ratios of derivatives of the index function. The framework constructed in this paper is suitable for the analysis of identification in panel duration models with heterogeneity.

Language
Englisch

Bibliographic citation
Series: cemmap working paper ; No. CWP20/02

Classification
Wirtschaft
Subject
Nichtparametrisches Verfahren
Dauer

Event
Geistige Schöpfung
(who)
Chesher, Andrew
Event
Veröffentlichung
(who)
Centre for Microdata Methods and Practice (cemmap)
(where)
London
(when)
2002

DOI
doi:10.1920/wp.cem.2002.2002
Handle
Last update
10.03.2025, 11:43 AM CET

Data provider

This object is provided by:
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Object type

  • Arbeitspapier

Associated

  • Chesher, Andrew
  • Centre for Microdata Methods and Practice (cemmap)

Time of origin

  • 2002

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