Do potential entrepreneurs exploit welfare-destroying opportunities as much as they exploit welfare-enhancing opportunities as it is assumed in several normative models? Do we need to prevent potential entrepreneurs from being destructive or are there intrinsic limits to harm others? We...

In this article we theoretically develop and empirically test an integrative conceptual framework linking dispositional optimism as general outcome expectancy to general efficacy beliefs about internal (self) and external (instrumental social support and chance) factors as well as to general...

We explore the possibilities of enforcing and preventing consensus in continuous opinion dynamics that result from modifications in the communication rules. We refer to the model of Weisbuch and Deffuant, where n agents adjust their continuous opinions as a result of random pairwise encounters...