Arbeitspapier

Mixed Hitting-Time Models

We study a mixed hitting-time (MHT) model that specifies durations as the first time a Lévy process— a continuous-time process with stationary and independent increments— crosses a heterogeneous threshold. Such models are of substantial interest because they can be reduced from optimal-stopping models with heterogeneous agents that do not naturally produce a mixed proportional hazards (MPH) structure. We show how strategies for analyzing the MPH model's identifiability can be adapted to prove identifiability of an MHT model with observed regressors and unobserved heterogeneity. We discuss inference from censored data and extensions to time-varying covariates and latent processes with more general time and dependency structures. We conclude by discussing the relative merits of the MHT and MPH models as complementary frameworks for econometric duration analysis.

Sprache
Englisch

Erschienen in
Series: Tinbergen Institute Discussion Paper ; No. 07-057/3

Klassifikation
Wirtschaft
Semiparametric and Nonparametric Methods: General
Duration Analysis; Optimal Timing Strategies
Thema
duration analysis
hitting time
identifiability
Lévy process
mixture

Ereignis
Geistige Schöpfung
(wer)
Abbring, Jaap H.
Ereignis
Veröffentlichung
(wer)
Tinbergen Institute
(wo)
Amsterdam and Rotterdam
(wann)
2007

Handle
Letzte Aktualisierung
10.03.2025, 11:42 MEZ

Datenpartner

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Objekttyp

  • Arbeitspapier

Beteiligte

  • Abbring, Jaap H.
  • Tinbergen Institute

Entstanden

  • 2007

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