he paper describes a program for comparing electoral systems based on the simulation of the preferences of the voters. The parameters requested (distribution of first preferences, district magnitude, etc) are set up by the user. The program produces the resulting Parliament under a number of...

This paper describes a study of the robustness of cooperative conventions. We observe the effect of the invasion of non-cooperating subjects into a community adopting a cooperative convention. The convention is described by an indefinitely repeated prisoner-dilemma game. We check the effects on...

A survey of 410 plant relocations and branch plant creations in the Turin Metropolitan Area is used to formulate a model of the timing and spatial incidence of manufacturing change. Entrepreneurs' expectations about growth or decline are seen as determining the rate of anticipated movement but...

Contingent valuation of public goods (or bads) is strongly biased due to the endowment effect and/or the status quo bias.

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...