Cooperation and collaboration between companies represents a key issue within the conceptual framework developed by the IMP Group. However, little attention has been paid to a phenomenon which can result from such collaboration, i.e. collective action. This involves cooperative activities...

The purpose of this paper is to identify the different types of volunteers’ motivations that work in hospitals. We present the literature review about different types of motivations and we collect data from hospital volunteers through a questionnaire. Four different motivations categories are...

One of the major challenges faced by Public Administration is how to create more value for both citizens and firms, mainly because of the increasing budgetary constraints and challenging demands from society. In fact, over the past two decades there has been a general movement of public reform...

The growing specialization of firms and the reinforcement of vertical disintegration have led to an increasing reliance on purchasing and supply management. This means that an increasing proportion of value is created outside the boundaries of the firm, namely by suppliers. In this context, the...

In recent years we witnessed an impressive advance in the social networks field, which became a "hot" topic and a focus of considerable attention. Also, the development of methods that focus on the analysis and understanding of the evolution of data are gaining momentum. In this paper we present...

We present an extension of Aumann's Agreement Theorem to the case of multiple priors. If agents update all their priors, then, for the Agreement Theorem to hold, it is sufficient to assume that they have closed, connected and intersecting sets of priors. On the other hand, if agents select the...