Typically, laboratory experiments suffer from homogeneous subject pools and selfselection biases. The usefulness of survey data is limited by measurement error and by the questionability of their behavioral relevance. Here we present a method integrating interactive experiments and...

"Soziale Dienste" wie die institutionalisierte Kinderbetreuung werden in Deutschland vorwiegend vom Staat selbst bzw. von frei-gemeinnützigen Trägern angeboten. Für die Nutzung dieser sozialen Dienste werden dabei in der Regel Gebühren verlangt, die unterhalb der tatsächlichen Kosten...

In general child care subsidies are widely accepted as a means to create equal chances for mothers in the labour market as well as for children. Although there is a general consensus that the use of child care should be publicly supported, there is no consensus on how this should be done....

Are immigrants on welfare because they are more likely to be eligible or because they are more likely to claim benefits for which they are eligible? The answer is politically important, but because most current research on immigration and welfare is based on data from the U.S., the answer is...