In this paper, we design the optimal procurement mechanisms when bidders are privately informed on efficiency and on observable but neither verifiable nor contractible quality. We show that most of the optimal procurement institutions are mixed procedure implying both separation and pooling....

In this note the decision problem of a strategic firm in a general equilibrium setting is analyzed. It is shown that a problem of unanimity arises when such a firm has many shareholders, an that a well known criterion used in the case of market incompleteness can be quite interestingly...

Consider a population of citizens uniformly spread over the entire plane, that faces a problem of locating public facilities to be used by its members. The cost of every facility is financed by its users, who also face an idiosyncratic private access cost to the facility. We assume that the...

It has often been claimed that the current voting process within the EU Council of Ministers is not fair. In this paper we verify this assertion by carrying out an evaluation of the distribution of power among the member states. The results show that the current distribution of votes for the...

The aim of this paper is to determine the representation of parties in a Parliament that guarantees an equal representation of all the citizens. This problem is illustrated in the Israeli Knesset.

Dans cet article, nous formalisons deux critères de décisions qui tentent de rendre compte de deux logiques différentes d'interprétation du Principe de précaution. Le premier critère correspond à la maximisation du minimum de l'espérance d'utilité alors que le second critère correspond...

The aim of this paper is to evaluate to what extent more transparency can reduce the occurrence of speculative attacks. It proposes a survey of the literature about the pros and cons of transparency on the exchange rate market, which is one of the main pillars of the new international financial...

In many Sub-Saharan countries, customary and statutory judicial systems co-exist. Customary justice is exercised by clan leaders or local courts, and based on restorative principles. By contrast, statutory justice is mostly retributive and administered by magistrates’ courts. As the...

We develop a theoritical model where child labour results from a household’s trade-off between sending a child to school or to work. Education is considered as a risky investment, since the survival of the child is not certain. We explore the effects of public expenditure on education and...