The field of social psychology explores how a person behaves within the context of other people. The social context can play a substantive role in non-market allocation decisions given peoples choices and values extend beyond the classic market-based exchange institution. Herein we explore how...

Dans le transport fluvial de marchandises, la batellerie artisanale a depuis longtemps dominé en nombre. Ce phénomène est surprenant à plus d'un titre. Tout d'abord parce que les bateliers sont particulièrement touchés par la crise qui frappe le secteur. Ensuite parce que celui-ci se...

A well-known model in sociology and marketing is that of opinion leadership. Opinion leaders are actors who are able to affect the behavior of their followers. Hence, opinion leaders have some power over their followers, and they can exercise this power by influencing their followers choice of...

We consider a pure exchange economy, with incomplete financial markets, where agents face an "exogenous uncertainty", on the future state of nature and an "endogenous uncertainty", on the future price in each random state. Namely, every agents forms price anticipations on each spot market,...

The extent of racial discrimination in the labor market is now clearly identified, but its nature largely remains an open question. This paper reports results from an experiment in which fabricated resumes are sent to help-wanted advertisements in Chicago newpapers. We use three groups of...

The Basel Advanced Measurement Approach requires financial institutions to compute capital requirements on internal data sets. In this paper we introduce a new methodology permitting capital requirements to take into account the embedded dependence structures of operational risks. The loss...

This paper focuses on the relationships between remittances and the share of individuals working for less than 2$ US per day. It is based on an original panel dataset containing information related to remittances in about 80 developing countries and to the number of workers being paid less than...

Simple games are a powerful tool to analyze decision-making and coalition formation in social and political life. In this paper we present relational models of simple games and develop relational algorithms for solving some game-theoretic basic problems. The algorithms immediately can be...

This article explains the level of economic freedom in Muslim countries through the theory of institutional path dependency. Islamic countries are generally not free and they have a poor record regarding property rights. To explain these realities we use the institutional history of Muslim...

The paper concerns a model of influence in which agents make their decisions on a certain issue. It is assumed that each agent is inclined to make a particular decision, but due to a possible influence of the others, his final decision may be different from his initial inclination. Since in...