Cities differ dramatically with respect to the extent in which their economic and other activities are diversified. Some cities are specialized, while other cities harbour a myriad of organizations, performing a huge variety of activities. An unanswered question is: Where does such...

(1) Background: Why and when images of watching eyes encourage prosocial behavior is still subject to discussion, and two recent meta-analyses show no effect of watching eyes on generosity. This study aims to discern the effect of watching eyes of different valence on two separate aspects of...