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A stochastic system for modeling labor force series of small areas. (English) Zbl 0921.62116
Summary: Time series models of sampling error, true unobserved rates, and covariates can be used to pool data across time and space to reduce variance in a subnational estimator. We present such models along with associated hierarchical Bayesian analyses. Specifically, we present a joint time series model for a 51 U.S. state labor force series in a Bayesian framework. Data are input in the form of optimal composite estimates from a sampling error model. The basic time series model is constructed from fractional Gaussian noise processes. Covariation of the true series across states is modeled by having a common national component modified by individual state components. Markov chain Monte Carlo methods are applied to develop samplers for a high-dimensional system of 105 parameters. The results indicate substantial gains in the efficient use of CPS data for U.S. state employment and unemployment rates series.

MSC:
62M10 Time series, auto-correlation, regression, etc. in statistics (GARCH)
62F15 Bayesian inference
62P20 Applications of statistics to economics
91B84 Economic time series analysis
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