Nonparametric analysis of a duration model with stochastic unobserved heterogeneity

Irene Botosaru

Journal of Econometrics, 2020, vol. 217, issue 1, 112-139

Abstract: This paper develops nonparametric identification and estimation results for a single-spell hazard model, where the unobserved heterogeneity is specified as a Lévy subordinator. The identification approach solves a nonlinear Volterra integral equation of the first kind with an unknown kernel function. Both the kernel of the integral operator, which models the distribution of the unobserved heterogeneity, and the functions that enter it are identified given regularity conditions and minimal variation in the observed covariates. The paper proposes a shape-constrained nonparametric two-step sieve minimum distance estimator. Rates of convergence are derived and Monte Carlo experiments show the finite sample performance of the estimator.

Keywords: Duration model; Lévy process; Nonlinear Volterra integral equation of the first kind; Shape restricted estimation (search for similar items in EconPapers)
JEL-codes: C14 C41 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:econom:v:217:y:2020:i:1:p:112-139

DOI: 10.1016/j.jeconom.2019.06.006

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