2k citations · 9.9k across the 102 of their papers we have counts for
105 papers
Inequality is rising where social network segregation interacts with urban topology
Gergő Tóth, Johannes Wachs, Riccardo Di Clemente +4
Social networks amplify inequalities due to fundamental mechanisms of social tie formation such as homophily and triadic closure. These forces sharpen social segregation reflected…
Corruption Risk in Contracting Markets: A Network Science Perspective
Johannes Wachs, Mihály Fazekas, János Kertész
We use methods from network science to analyze corruption risk in a large administrative dataset of over 4 million public procurement contracts from European Union member states co…
A network approach to cartel detection in public auction markets
Johannes Wachs, János Kertész
Competing firms can increase profits by setting prices collectively, imposing significant costs on consumers. Such groups of firms are known as cartels and because this behavior is…
Social structure formation in a network of agents playing a hybrid of ultimatum and dictator games
Jan E. Snellman, Rafael Barrio, Kimmo Kaski
Here we present an agent-based model where agents interact with other agents by playing a hybrid of dictator and ultimatum games in a co-evolving social network. The basic assumpti…
Sampling networks by nodal attributes
Yohsuke Murase, Hang-Hyun Jo, János Török +2
In a social network individuals or nodes connect to other nodes by choosing one of the channels of communication at a time to re-establish the existing social links. Since availabl…
Reentrant phase transitions in threshold driven contagion on multiplex networks
Samuel Unicomb, Gerardo Iñiguez, János Kertész +1
Models of threshold driven contagion explain the cascading spread of information, behavior, systemic risk, and epidemics on social, financial and biological networks. At odds with…