Search Models and Duration Data

SEARCH MODELS AND DURATION DATA By George R. Neumann* Contents 1. Introduction p. 1 2. Duration Distributions p. 3 2.1 Survivor, density, and hazard functions 2.2 Censoring Mechanisms 2.3 Nonparametric estimation 2.4 Parametric estimation 2.5 Sampling Issues 3. Econometric Models for Durations p. 17 3.1 Parametric Specifications 3.1a Specification Tests 3.2 Semiparametric Specifications 3.2.a Proportional Hazard Models 3.2.b Accelerated Failure Time Models 3.2.c Specification Tests 3.2.d Semiparametric Estimation of Strike Durations 3.3 Time Varying Covariates 3.4 Unmeasured Heterogeneity 4. Search Theory and Duration Models p. 46 4.1 Search Theory 4.2 First Generation Search Models 4.3 Second Generation Search Models 4.4 Multiple State Duration Models 4.5 Equilibrium Search Models 5. Summary p. 71 6. References p. 73