Filippo Bignami - Platform urbanisation as a political process: reconfiguration of citizenship through hybrid spatial typologies Cristina Chueca Del Cerro - The Echoes from Social Media Platforms: an Agent-Based Model of Echo Chambers’ Emergence Yi-Ting Chen - Structure, Strategy, and Attention: A Dual-Model Analysis of Inter-Organizational Policy Networks in Taiwan’s Traffic Safety Policy Arena Thomas Plümper - Do Political Scientists Stick to their Pre-Registration Plans?