Democracies go to war with each other less frequently than dictatorships do with each other. This isan established empirical regularity. However, it is not clear whether there is a causal link betweendemocracy and peace. We use laboratory experiments to study whether there is a causal impact. We...

The announcement of Pfizer/BioNTech’s COVID-19 vaccine success on 9 November 2020 led to a global stock market surge. But how did the general public respond to such good news? We report results of a nation-wide natural experiment in the US and the UK on how the vaccine news influenced...

Do crises make people more prosocial? And what role does communication play in promoting such attitudes and behavior? These answers matter for post-crisis economic recovery as social capital has been linked to growth. We leverage the incidence of COVID-19 --a multifaceted global crisis-- and...

Recent studies have found considerable partisan polarization of both reality and policy preferences in the US. Furthermore, this polarization is so entrenched that it is immune to the provision of factual information. Has the COVID-19 pandemic, which affects citizens unequally, reproduced or...

Using a dictator game experiment, we examine whether the introduction of group identities affects giving. Group identities can activate feelings of in-group love and out-group hate to create an in-group bias. In addition, group identities may spawn social sanctions that are designed to reinforce...

People typically do not acquire new information about the facts of the economy through consulting official statistics; they read or listen to mediatype reports/stories on the economy where the facts are packaged in a story. This paper tests with an experiment whether the explanatory style used...