The former German chancellor Helmut Schmidt holds that despite the huge transfers from West to East Germany the East German economy does not take off as it was widely expected. We argue it is not despite these transfers but because of them. Building on the common features of the extension of the...

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