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arXiv · 2501.03015

Characterizing Measurement Error in the German Socio-Economic Panel Using Linked Survey and Administrative Data

Nico Thurow
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Abstract

This paper exploits the linkage of German administrative social security data (German: Integrierte Erwerbsbiografien) and survey data from the socio-economic panel (Sozio-\"okonomisches Panel, SOEP) for the characterization of measurement error in metrics quantifying individual-specific labor earnings in Germany. We find that survey participants' decision whether to consent to linkage is non-random based on observables. In that sense, the studied sample does not constitute a random sample of SOEP. Further, measurement error is not classical and differential: We observe underreporting of income on average, autocorrelation, and non-zero correlation with the true signal and other observable characteristics. In levels, calculated reliability ratios above 0.94 hint at a relatively small attenuation bias in simple linear univariate regressions with earnings as the explanatory variable. For one-period changes in income the bias from measurement error is exacerbated.

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Nico Thurow. 2025-01-06. Characterizing Measurement Error in the German Socio-Economic Panel Using Linked Survey and Administrative Data. https://arxiv.org/abs/2501.03015

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