This paper asks whether population growth is conducive to the sustainability of cooperation. A simple model is developed in which farmers who live around a circular lake engage in trade with their adjacent neighbors. The payoffs from this activity are governed by a prisoner's dilemma rule of...

We consider the strategic role of uncertainty and information acquisition for the mitigation of global warming which is modeled using a standard framework for private provision of a public good. Prior to the voluntary contribution mechanism, we allow for investments in information about the...

The paper studies a repeated contest when contestants are uncertain about their true abilities. A favourable belief about one’s own ability (confidence) stimulates effort and increases the likelihood of success. Success, in turn, reinforces favourable beliefs. We consider a specific example in...

We investigate a two-period Bertrand market in which one seller introduces a new product of uncertain quality. The new product competes with an alternative good of known quality. Ex ante neither sellers nor consumers know the value of the new product. While consumers can learn their valuation by...

Like many new products, newly released creative goods such as books, music records and movies are sometimes ‘surprise’ hits but often flops. Experimental and empirical research suggests that it is hard to predict the demand for a new creative good, and therefore its success, even for...

In two empirical surveys in Germany the link between the information respondents have about climate change and their risk perception of the phenomenon was analysed. We found that a better understanding of the effects of climate change might lead to a decrease of the perceived hazard. In...

In economic and social sciences it is crucial to test theoretical models against reliable and big enough databases. The general research challenge is to build up a well-structured database that suits well to the given research question and that is cost efficient at the same time. In this paper...