We investigate whether left-wing governments decrease wage inequality among civil servants. The data is based on salaries of civil servants in the German states. Since a reform in 2006, German state governments are allowed to design salaries of civil servants. We employ encompassing data for pay...

We derive exact conditions relating the distributions of firm productivity, sales, output, and markups to the form of demand in monopolistic competition. Applications include a new “CREMR” demand function (Constant Revenue Elasticity of Marginal Revenue): it is necessary and sufficient for...

In this paper, we extend Henning Bohn's (2008) fiscal sustainability test by allowing for slope heterogeneity and cross-sectional dependence (CD). In particular, our econometric approach is the first that allows fiscal reaction functions (FRF) to capture unobserved heterogeneous effects from...

In this paper, we investigate whether the expansion of childcare leads to an increase in the female labour supply. We measure female labour supply at both the extensive and intensive margin. For identification, we exploit a nationwide reform that expanded childcare for 1–2- year-olds in...