Recent research has identified the heterogeneity as crucial for the evolution of cooperation in spatial population … can also be tuned. We find that increasing heterogeneous noise monotonously promotes cooperation and even translates the … full defection phase (of the homogeneous version) into the complete cooperation phase. Moreover, the promotion effect of …

characterizing the promotion of cooperation. Current findings are of utmost importance for us to understand the evolution of … cooperation under many real-world circumstances, such as the natural, biological, economic and even social systems. …

child's popularity affects a child's generosity. Our participants – 231 children, six to twelve years old – decide how many … popularity; whereas, in Private there is no effect of popularity on children of any age. …

concept's introduction at the Hannover Fair in Germany in 2011, I4.0 has enjoyed a meteoric rise in popularity and is …

investigating how popularity of the participating artists influences the final voting results. We employ two different concepts of … popularity. First, we collected data regarding the artist's former success (MacDonald-popularity) using music charts data. Second …, we proxy the media presence of the artists (Adler-popularity) using hits in traditional and new media. In our analysis …

following research questions: (i) Are the classic theoretical concepts of popularity and superstardom by Rosen, MacDonald and … Adler applicable? (ii) Can social media stars actively influence their popularity by employing special upload strategies? We … actively influence their popularity with distinctive upload strategies and market behaviour. …