The so-called problem of the spontaneous cooperation has been substantially resolved through a mix of biology and economics. All the elements of the solution had been discovered by 1980s, yet they went somehow unnoticed. This "old" solution is the subject of this review. Its most relevant...

Our research is a variant of the third party punishment game that we call Solomon's Game. The main feature of this game is that players can not only punish unfair people but also help those individuals who are the victims of that unfairness. The aim of this experiment is to compare the human...

Our research is a variant of the third party punishment game. In particular, we want to test whether players have heterogeneous preferences; the levels of the sanction and of the transfer are proportional to the unfairness of the Dictator; the change of the role influences the Observer's...

La teoria dell'Homo Oeconomicus ha fornito una visione formalizzata dell'uomo che, dominato da una natura tendenzialmente egoista, agisce principalmente nel suo interesse. Questa immagine dell'uomo non e' pero' sempre in linea con l'evidenza empirica. Il contributo proveniente da studi condotti...

What do indices of disproportionality actually measure? They provide an aggregate estimation of the difference between votes cast and seats assignment, but the relation between the value of the indices and the will of the voters is highly questionable. The reason is that when casting the vote...

The aim of this paper is to contribute to the debate about the electoral rules in Italy. In particular, we simulate some voting rules to test what is the best electoral system on the basis of a utility function that takes into account two indices: representativeness and governability. As long as...

Commonsense wisdom claims that majoritarian parliaments produce more efficient governments than proportional ones, because there are less decisors involved. Empirical evidence gives poor support to this claim. A possible explanation is that the real decisors may be not the parties, but the...

La discrezionalita'  e' un elemento ineludibile dell'azione amministrativa. Essa deriva dall'incompletezza dei contratti e dalle asimmetrie informative che caratterizzano ogni relazione di agenzia. Pur costituendo una risorsa di crescente rilievo dei sistemi amministrativi pubblici, la...