This paper proposes a central idea in diffusion research is that influential –a minority of individuals who influence an exceptional number of their peers- are important to formation of public opinion. Here we examine this idea, which we call the “influential hypothesis”, using the...

We introduce the concept of collaborative hierarchy, a mechanism of collaboration which combines hierarchical and peer-to-peer interactions. In a collaborative hierarchy, a set of participants informatively "subordinate" to the same coordinator forms a peer-to-peer network producing consensual...

This paper deals with information acquisition and communication in networked organizations. Agents receive private signals about a payoff-relevant parameter and may communicate it to other players to whom they are linked. I derive a key condition that ensures truthful communication. Since the...

Negli ultimi tempi, fra gli studiosi dei processi di formazione delle scelte pubbliche è in corso un interessante dibattito volto ad individuare le tecniche più appropriate per gestire in maniera efficace (ovvero in tempi rapidi e garantendo la stabilità e la durevolezza delle decisioni o...

Two well-known single valued solutions for TU-games are the Shapley value and Solidarity value, which verify three properties: Linearity, Symmetry and Efficiency, and the null player axiom. On the other hand, the interpretation of the two values is usually related on the marginal contribution of...

The application of game theory and cognitive economy to analyze the problem of undesired location - The analysts of the processes of public bodies decision - taking have long been discussing on the establishment of proper strategies to manage "environmental conflicts" - above all the so-called...

In this paper, we re-examine the classical questions of implementation theory under complete information in a setting where coalitions are the fundamental behavioral units and the outcomes of their interactions are predicted by applying the solution concept of the core. The planner's exercise...