In many situations the applied researcher wants to combine different data sources without knowing the exact link and merging rule. This paper introduces a theoretical framework how two different regional administrative data sources can be merged. It presents different merging schemes based on...

We present the first panel estimates of the productivity effects of the unique German institution of parity, board-level co-determination. Although our data span two severe recessions when labour hoarding costs of co-determination are probably highest, and the panel is too short to capture the...

It is commonplace in the debate on Germany’s labor market problems to argue that high unemployment and low wage dispersion are related. This paper analyses the relationship between unemployment and residual wage dispersion for individuals with comparable attributes. In the conventional...

We compare information on the length of unemployment spells contained in the IAB employment subsample (IABS) and in the German Socio-Economic Panel (GSOEP). Due to the lack of information on registered unemployment in the IABS, we use two proxies of unemployment in the IABS as introduced by...

In Germany, the medium-term financial planning (Mifrifiʺ) was introduced at the end of the sixties. This study scrutinizes the experience of the German Bund with more than thirty years of financial planning. In the first step, the paper explores the potential normative and political-economic...

The education variable in the IAB employment subsample has two shortcomings: missing values and inconsistencies with the reporting rule. We propose several deductive imputation procedures to improve the variable. They mainly use the multiple education information available in the data because...