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...

This article exposes key aspects for the theoretical analysis of the political reality in Colombia in moments of severe derived social uncertainty of the conflict and the fork of serious dilemmas on the institutional order that comes from political campaigns influenced decisively by the...

Considering intrinsic valuation of software developers as the main motive for participating in open source projects, we examine the (Nash) equilibrium effort levels of the software developers in implementing projects that follow one of the three different technologies: the summation, the...

Within the transfer space source and sink exchange material and energy to optimize their own productivity. Under certain conditions this optimization will lead to a productivity increase of the whole ensemble. The present day view that cooperation is the most productive interaction between...

This paper examines the interaction between a growth-oriented terrorist organization and an uninformed government based on a two-period signaling game. The terrorists, taking into account the government's counter-terrorism response to first period attacks, gain additional manpower from...

We study a local interaction model where agents play a finite n-person game following a perturbed best-response process with inertia. We consider the concept of minimal p-best response set to analyze distributions of actions in the long run. We distinguish between two assumptions made by agents...

We present a model of competition on prices between two telecommunication service providers sharing an access resource, which can for example be the same WiFi spectrum. We obtain a two-level game corresponding to two time scales of decisions: at the smallest time scale, users play an association...

This paper provides a game-theoretical analysis of the use by athletes of performance-enhancing drugs. We focus on a two-player game where players are heterogeneous and performances are subject to uncertainty. While the standard setup assumes these drugs increase maximum performances, we assume...