We consider a model of socially interacting individuals that make a binary choice in a context of positive additive endogenous externalities. It encompasses as particular cases several models from the sociology and economics literature. We extend previous results to the case of a general...

We aim to identify the conditions under which social influence enables emergence of a shared opinion orientation among members of an organization over time, when membership is subject to continuous but partial turnover. We study an intra-organizational advice network that channels social...

This paper presents a model of influence where agents' beliefs are based on an objective reality, such as the properties of an environment. The perception of the objective reality is not direct: all agents know is that the more correct a belief, the more successful the actions that are deduced...

The word Crowdsourcing -a compound contraction of Crowd and Outsourcing, was used by Howe in order to define outsourcing to the crowd. The Crowdsourcing phenomenon covers heterogeneous situations and it has inspired a number of authors. However, we are still lacking a general and synthetic view...

Cette communication aborde un nouveau mode d'externalisation mis en œuvre par quelques entreprises : le crowdsourcing. Il s'agit alors de savoir si ce mode d'externalisation constitue un thème de recherche pertinent et durable. Après avoir mené une vaste recherche, nous mettons en évidence...

This paper focuses on “crowdsourcing” as a significant trend in the new paradigm of open innovation (Chesbrough 2006; Chesbrough & Appleyard 2007). Crowdsourcing conveys the idea of opening the R&D processes to “the crowd” through a web 2.0 infrastructure. Based on two cases studies of...

The young consumers constitute one of the fastest growing Internet populations. This group of consumers spends more time online than adults and surpasses all other age groups in their use of chat, instant messaging and other new forms of electronic communication. Thus, Internet technologies have...

Purpose -- The development of social media provides new opportunities for recruitment and raises various questions. This chapter aims to clarify areas of agreement and disagreement regarding the integration of social media in recruitment strategies. Methodology/approach -- A Delphi study was...

Purpose - Data from social media (SM) has grown exponentially and created new opportunities for businesses to supplement their business intelligence (BI). However, there are many different platforms all of which are in a constant state of evolution. The purpose of this paper is to describe a...

Le contrôle de gestion a connu une mutation par l'adoption de nouvelles méthodes de comptabilité de gestion. L'apparition du modèle ABC témoigne de cette mutation. Parallèlement à cette évolution, les fonctions opérationnelles ont connu d'importantes transformations, conduisant à une...