This paper questions the perceived wisdom that migrants are more risk-loving than the native population. We employ a new large German survey of direct individual risk measures to find that first-generation migrants have lower risk attitudes than natives, which only equalize in the second generation.

The paper investigates the role of social norms as a determinant of individual attitudes by analyzing risk proclivity reported by immigrants and natives in a unique representative German survey. We employ factor analysis to construct measures of immigrants’ ethnic persistence and assimilation....

Economic hardship is strongly reflected by the housing market. It is the concern of much research, but its analysis is often obstructed by insufficient lagged data. This paper evaluates search intensity for "hardship letter" from Google Insights to detect ensuing mortgage delinquencies. Such...

We present the operationalized Toll Index, which is a new type of early indicator for the German business cycle. We present the basic idea and document the power of the indicator for the purpose of nowcasting. The data will be regularly available at the IDSC, the data bank center of IZA and will...

Gutachten im Auftrag des Ministeriums für Arbeit und Soziales, Qualifikation und Technologie des Landes Nordrhein-Westfalen, Bonn 2002 (81 Seiten)

We analyze the determinants of household work contracted in the German shadow economy. The German socio-economic household panel, which enumerates casual domestic employment, is used to estimate the demand for such household work. The regressors include regional wage rates, household income and...

This study surveys the development of the East German labor market after the unification of Germany. We explain that in the last decade, East Germans were faced with very high levels of joblessness that considering labor market exits and active labor market policy, are only partly reported as...

The current economic crisis requires fast information to predict economic behavior early, which is difficult at times of structural changes. This paper suggests an innovative new method of using data on internet activity for that purpose. It demonstrates strong correlations between keyword...

Joint expertise with NIRAS Consultants and AMS for the European Commission, Bonn 2008 (159 pages)

The internet has become an important data source for the Social Sciences because these data are available without lags, can be regarded as involuntary surveys and hence have no observer effect, can be geo-labeled, are available for countries across the globe and can be viewed in continuous time...