We seek to contribute to existing macro-econometric studies by taking non-standard employment into account, by relating the empirical model more explicitly to optional value model theory on retirement decisions and by using a two-step IV-GMM estimator to deal with endogeneity issues. The analysis leads to the conclusion that part-time employment is negatively related to labor market withdrawal of older men. This relationship is less strong among women. Additionally, we find that part-time employment at older ages does not decrease the average actual hours worked. Furthermore, the results show a positive relationship between unemployment among older workers and early retirement similar to previous studies.
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