1997-10-07Buch DOI: 10.18452/3703
Semiparametric Analysis of German East-West Migration Intentions
Facts and Theory
East-West migration in Germany peaked at the beginning of the 90s although the average wage gap between Eastern and Western Germany continues to average about 25%. We analyze the propensity to migrate using microdata from the German Socioeconomic Panel. Fitting a parametric Generalized Linear Model (GLM) yields nonlinear residual behavior. This finding is not compatible with classical Marshallian theory of migration and motivates the semiparametric analysis. We estimate a Generalized Partial Linear Model (GPLM) where some components of the index of explanatory variables enter nonparametrically. We find the estimate of the nonparametric inuence in concordance with a number of alternative migration theories, including the recently proposed option-value-of-waiting theory.
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