We study the role of self-interest and social preferences in referenda. Our analysis is based on collective purchasing decisions of university students on deep-discount flat-rate tickets for public transportation and culture. Individual usage data allows quantifying monetary benefits associated...

The direct democratic choice of an examination standard, i.e., a performance level required to graduate, is evaluated against a utilitarian welfare function. It is shown that the median preferred standard is inefficiently low if the marginal cost of reaching a higher performance reacts more...

We examine subsidies for health care when consumers have present-biased preferences, which lead them to underestimate the effect of today s consumption on future health. We compare immediate subsidies paid for health-conscious consumption and future subsidies rewarding a good health outcome. We...

The recent literature has emphasized that government intervention when consumers have quasi-hyperbolic preferences ('bias for the present') over consumption is not welfare-enhancing. This paper introduces a market imperfection (which takes the form of a negative externality) and shows that...

When grades lose their informative value because the percentage of students receiving the best grade rises without any corresponding increase in ability, this is called grade inflation. Conventional wisdom says that such grade inflation is unavoidable since it is essentially costless to award...

In this paper, citizens vote in order to influence the election outcome and in order to signal their unobserved characteristics to others. The model is one of rational voting and generates the following predictions: (i) The paradox of not voting does not arise, because the benefit of voting does...