[eng] The inefficiency of a chain of monopolies: an experimental study in a repeated-negotiation . situation by Alexis Garapin, Michel Hollard, Stéphane Robin and Bernard Ruffieux . Theory (bilateral monopoly, dual marginalisation) shows that a chain of monopolies is less efficient than an...

[eng] To assess how a public decision can affect citizens’ interests, we need to estimate individual preferences. Economists usually assess individual preference through a market decision. Most often, however, public decisions have an impact on non-market goods. Without a market to refer to,...

[eng] We examine the effect of innovation on productivity in France using a multiple-equation model that accounts for R & D and for product and process innovation, and that controls for selection and endogeneity biases. We estimate the model on CIS3 and CIS4 data using two distinct procedures....

[eng] The deficit in collective-goods financing raises the issue of individual responsibility in groups and societies. Can a tax policy that strengthens individual responsibility reduce free-riding behavior ? We use experimental data to compare the efficiency of two tax policies aimed at...

[eng] When collective agreements apply to all unionised and non-unionised employees , what is the rationale behind joining a union ? The paper presents an experiment on a two-stage game . In the first stage , the decision to join a union is modelled as a voluntary contribution to a public good ....