Transition Models with Measurement Errors

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Abstract
In this paper, we estimate a transition model that allows for measurement errors in the data. The measurement errors arise because the survey design is partly retrospective, so that individuals sometimes forget or misclassify their past labor market transitions. The observed data are adjusted for errors via a measurement-error mechanism. The parameters of the distribution of the true data, and those of the measurement-error mechanism are estimated by a two-stage method. The results, based on the 1990-1992 French labor force survey, show that neglecting measurement errors leads to an underestimation of the average durations spent in labor market states. The estimates of some important transition probabilities between states are also biased by the measurement errors. © 1999 by the President and Fellows of Harvard College and the Massachusetts Institute of Technology