In this paper we propose a characterization of the coalitional value for transferable utility games (Owen, 1977), and we define and study coalitional semivalues, which are generalizations of semivalues (Dubey, Neyman and Weber, 1981).
The use of focus group interviews as a means of qualitative data collection has gained popularity in health service research in recent years. Despite their popularity, analysing qualitative data—particularly focus-group interviews—poses a challenge to most researchers. This article follows the authors' previous articles on; focus group theory, and the preparation and conduct of focus group inte...
