In this paper, we use multiagent technology for social simulation of sociological micro-macro issues in the domain of electronic marketplaces. We argue that allowing self-interested agents to enable social reputation as a mechanism for flexible self-regulation during runtime can improve the...

Traditionally, it has been assumed that all acclimation changes to the phenotype enhance the performance of an individual organism in the environment in which those changes were induced (beneficial acclimation hypothesis [BAH]), a theory that has been repeatedly challenged in recent years. We...

One approach that is gaining in popularity among portfolio managers uses ethical ratings, published by specialized research organizations, to screen securities for portfolio selection. Portfolio managers can thus gain a better understanding of the phenomenon and adopt a better and more...