This paper studies the effect of child care provision on family structure. We present a model of a marriage market with positive assortative matching, where in equilibrium the poorest women stay single. Couples have to decide on the number of children and spousal specialization in home...

Public child care is expected to assist families in reconciling work with family life. Yet, empirical evidence for the relevance of public child care to maternal employment is inconclusive. We exploit the introduction of a legal claim to a place in kindergarten in Germany, which was contingent...

Based on the 2014 German hourly feed-in and consumption data for electric power, this paper studies the storage and buffering needs resulting from the volatility of wind and solar energy, focusing on a “double-structure-cum-storage strategy”. While buffering wind and solar energy jointly...

As shown in Sinn and Wollmershäuser (2012a), during the European balance-of-payments crisis, inter-governmental credit and Target credit granted by core-country central banks have replaced private international capital flows in financing the crisis countries' current account deficits, and even...

What role does affordable and widely available public child care play for fertility? We exploit a major German reform generating large temporal and spatial variation in child care coverage for children under the age of three. Our precise and robust estimates on birth register data reveal that...

Does the Internet undermine social capital or facilitate inter-personal and civic engagement in the real world? Merging unique telecommunication data with geo-coded German individual-level data, we investigate how broadband Internet affects several dimensions of social capital. One...

Germany is the laggard of Europe, yet the country is world champion in merchandise exports. The paper tries to solve this theoretical and empirical puzzle by diagnosing a "pathological export boom" and a "bazaar effect". Excessively high wages defended by unions and the welfare state against the...

What is the role of politics in shaping attitudes about appropriate roles for women in the family and the compatibility of work and motherhood? In this paper we argue that the German separation and later reunification produced a natural experiment to address this question. During the divided...

Keeping up with rapid technological change necessitates constant innovation. Successful innovation depends on both incumbent workers' knowledge, based on experience, and knowledge about the latest technologies, along with the skills needed to implement them. Both of these knowledge-based...