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...

The article discusses the conflict of goals between fair compensation for performance and equitable support based on need in modern welfare states, which is a subject of controversy in various disciplines. It answers the question of the extent to which this policy problem of modern welfare...