On-farm production diversity of smallholder farmers can improve the nutrition security of the household. The objective is to determine the significance and relevance of this relationship by considering the different degrees of separability between both the commercial and consumptive production...

This paper studies effects of the introduction of a new digital mass medium on reemployment of unemployed job seekers. We combine data on high-speed (broadband) internet availability at the local level with individual register data on the unemployed in Germany. We address endogeneity by...

This paper exploits several reforms of wage subsidies in the framework of the German Minijob program to investigate substitution and complementarity relationships between subsidized and non-subsidized labor demand. We apply an instrumental variables approach and use administrative data on German...

We examine the impact of household access to the internet on job finding rates in Germany during a period (2006_2009) in which internet access increased rapidly, and job-seekers in-creased their use of the internet as a search tool. During this period, household access to the internet was almost...

This paper evaluates how the Triple P parenting program affects maternal well-being. We analyze data from a randomized controlled trial and a separate sample of mothers from a deprived neighborhood without a control group. For the latter, we generate a control group using SOEP survey data and...

This paper studies the impact of economic inequality on political polarization. Using a unique dataset covering different measures of regional income inequality as well as federal and state election outcomes at the county level in Germany, we investigate whether inequality influences the share...

This paper studies the dynamics of fertility in 180 countries in the period 1950-2015 and investigates the determinants of the onset of fertility transitions. The application of Phillips and Sul's (2007) test to fertility rates provides evidence of convergence in three groups of countries. This...

Naturalization may be a relevant policy instrument affecting immigrant integration in host-country labor markets. We study the effect of naturalization on labor market outcomes of immigrants in Germany. We apply recent survey data and exploit a reform of naturalization rules in an instrumental...

We consider a standard result of customer market theory: if firms have stable customer relations and face financial frictions, they may keep prices relatively high on their locked-in shoppers to maintain short-term profits at the expense of future market shares in times of low demand and vice...

We show that grading standards for primary school exams in England have triggered an inflation of quality indicators in the national performance tables for almost two decades. The cumulative effects have resulted in significant differences in the quality signaled to parents for otherwise...