According to commonsense wisdom, under proportionality a small centrist party enjoys an excess of power with reference to its share of seats (or votes) due to the possibility of blackmailing the larger ones. This hypothesis has been challenged on a theoretical ground, with some empirical...

This paper shows the results of an experiment aiming to test the effect of taxation on the labour supply. Differently from previous experiments [Lévy-Garboua, L., Masclet, D., & Montmarquette, C. (2005). Fiscalité et offre de travail: Une étude experimentale. CIRANO, Montréal, working paper...

The paper is devoted to the assessment of the relevance of the they-come-to-play effect (CTPE, defined in the text). It employs both a real-effort setting and a questionnaire. The effect proves to be significant, albeit the results cannot be generalized straightforwardly. From the comparison...

We use data on response times from a public goods experiment to test the hypothesis that cooperation is instinctive, under the assumption that the longer the time of the decision, the less instinctive the choice. Results seem to support the hypothesis that cooperation is instinctive, while...

<em>La secessione delle province in Italia</em> - The secession of Italian provinces is an institutional phenomenon that affects our country from North to South since the 90s and is far from a conclusion. The aim of this paper is to analyse this institutional change, starting from the Constitutional and...

The aim of this paper is to look for the presence of the Laffer curve in a non-Leviathan state using tax rates of 30%, 50% and 70%. We gave the players the opportunity to choose their labour supply both under a Welfare – State scenario and a State – of – Nature contract. The main evidence...

The aim of this experiment is twofold. First of all, we want to investigate whether a winner-take-all scenario where subjects with homogeneous skills meet more than once stimulates subjects' cooperation. Secondly, we want to compare agents' tendency to cooperate in settings with different levels...