The fragmentation of the party system has confronted the German mixed-member proportional electoral system with a trilemma. It can only ensure two out of three goals: proportionality, guaranteed representation of district winners, and a fixed and predictable size of the Bundestag. This paper...

Vaccines are responsible for large increases in human welfare and yet we know little about the political impacts of publicly-managed vaccination campaigns. We fill this gap by studying the case of Chile, which offers a rare combination of a high-stakes election, voluntary voting, and a...

Terrorist attacks have often been found to impact voting behaviours in the country of the attack. Here I study the impact of 9/11 terrorist attacks in New York on voting preferences in the UK, concluding that 9/11 impacted the voting intentions of the British, significantly increasing...