This paper develops empirical growth models suitable for dual economies, and studies the relationship between structural change and economic growth. Changes in the structure of employment will raise aggregate productivity when the marginal product of labour varies across sectors. The models in...

In this paper we try to provide an overview of a series of simple descriptive facts on recent trends in economic inequality in Germany. We believe that it is important to be precise in the way in which we define the inequality measure and the sample we use, to avoid generating vague messages...

What do citizens of the United States and Germany think about their schools and school policies? This paper offers the first broad comparison of public thinking on education in the two countries. We carried out opinion surveys of representative samples of the German and American adult...

This paper asks whether social movements taking place on Twitter affect gender-based violence (GBV). Using Twitter data and machine learning methods, we construct a novel data set on the prevalence of Twitter conversations about GBV. We then link this data to weekly crime reports at the federal...