We show how introducing a time discount factor can strengthen some results given in [Soubeyran R. (2006) "When Inertia Generates Political Cycles," Economics Bulletin, Vol. 4 no. 31 pp. 1-8.].

We axiomatize the collective identity function selecting the agents that are indirectly designated by all the individuals in the society.

In a recent article, [S. Goyal, F. Vega-Redondo, Structural holes in social networks, J. Econ. Theory 137 (1) (2007) 460-492] the authors (GVR) showed the importance of stars and cycles in a given network formation game. Implicitly, in their article, a network is called an equilibrium if it is...

Parikh and Krasucki [R. Parikh, P. Krasucki, Communication, consensus and knowledge, J. Econ. Theory 52 (1990) 178-189] show that, in a group of rational agents, communication of the value of a function f leads to a consensus on the value of f, provided some conditions on the communication...

This paper considers two distinct procedures to lexicographically compose multiple criteria for social or individual decision making. The first procedure composes M binary relations into one, and then selects its maximal elements. The second procedure first selects the set of maximal elements of...

This paper considers two distinct procedures to lexicographically compose multiple criteria for social or individual decision making. The first procedure composes M binary relations into one, and then selects its maximal elements. The second procedure first selects the set of maximal elements of...

This paper considers two distinct procedures to lexicographically compose two criteria for social or individual decision making. The first procedure composes two binary relations into one, and then selects its maximal elements. The second procedure first selects the set of maximal elements of...

We characterize choice correspondences that can be rationalized by a procedure that is a refinement of the prudent choices exposed in (Houy, 2010). Our characterization is made by means of the usual expansion axiom [gamma] and a weakening of the usual contraction axiom [alpha]. We also make a...