Survey Methodology
A mixed latent class Markov approach for estimating labour market mobility with multiple indicators and retrospective interrogation

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by Francesca Bassi, Marcel Croon and Davide VidottoNote 1

  • Release date: June 22, 2017


Measurement errors can induce bias in the estimation of transitions, leading to erroneous conclusions about labour market dynamics. Traditional literature on gross flows estimation is based on the assumption that measurement errors are uncorrelated over time. This assumption is not realistic in many contexts, because of survey design and data collection strategies. In this work, we use a model-based approach to correct observed gross flows from classification errors with latent class Markov models. We refer to data collected with the Italian Continuous Labour Force Survey, which is cross-sectional, quarterly, with a 2-2-2 rotating design. The questionnaire allows us to use multiple indicators of labour force conditions for each quarter: two collected in the first interview, and a third one collected one year later. Our approach provides a method to estimate labour market mobility, taking into account correlated errors and the rotating design of the survey. The best-fitting model is a mixed latent class Markov model with covariates affecting latent transitions and correlated errors among indicators; the mixture components are of mover-stayer type. The better fit of the mixture specification is due to more accurately estimated latent transitions.

Key Words: Gross flows; Labour market; Mixture models; Latent class models.

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How to cite

Bassi, F., Croon, M. and Vidotto, D. (2017). A mixed latent class Markov approach for estimating labour market mobility with multiple indicators and retrospective interrogation. Survey Methodology, Statistics Canada, Catalogue No. 12-001-X, Vol. 43, No. 1. Paper available at


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