We show that the Matthew effect, or Matthew mechanism, was present in the artificial cultural market Music Lab when social influence between individuals was allowed, whereas this was not the case when social influence was not allowed. We also sketch on a class of social network models, derived...

Um die subjektive Kriminalitätsfurcht der Bevölkerung zu messen, werden bislang vor allem Befragungen durchgeführt. In Zeiten der zunehmenden Digitalisierung könnten aber auch Daten aus sozialen Medien und Suchmaschinen dazu beitragen, mehr über die subjektiven Empfindungen der Bevölkerung...

Purpose - This study aims to assess the effect of updating the Phase I data - to enhance the parameters' estimates - on the control charts' detection power designed to monitor social networks. Design/methodology/approach - A dynamic version of the degree corrected stochastic block model (DCSBM)...