The quasi-exogenous division of the French regions Alsace and Lorraine after the Franco- Prussian War allows us to provide evidence about group identity formation within historically homogeneous regions. We use several measures of stated and revealed preferences at the municipal-level in a...

The quasi-exogenous division of the French regions Alsace and Lorraine after the Franco-Prussian War allows us to provide evidence about group identity formation within historically homogeneous regions. Using several measures of stated and revealed preferences spanning over half a century, we...

There is little causal evidence about deep-rooted sources of support for shifting power from nation-states to international organizations. Focusing on the European Union, this paper develops the hypothesis that citizens appreciate the role of international organizations in constraining member...

A major theory from social psychology claims that external threats can strengthen group identities and cooperation. This paper exploits the Russian invasion in Ukraine 2014 as a sudden increase in the perceived military threat for eastern European Union member states, in particular for the...

We exploit the fact that disagreements in the German leadership after the Franco-Prussian War in 1870 led to a quasi-exogenous division of Alsace and Lorraine to provide rare evidence of group identity formation within historically homogeneous regions. In line with the rejection-identification...

We exploit the quasi-exogenous division of the French regions Alsace and Lorraine after the Franco-Prussian War in 1870 due to disagreements in the German leadership to provide evidence of group identity formation within historically homogeneous regions. People in the treated area, which was...

The quasi-exogenous division of the French regions Alsace and Lorraine after the Franco-Prussian War allows us to provide evidence about group identity formation within historically homogeneous regions. Using several measures of stated and revealed preferences spanning over half a century, we...

There is little causal evidence about deep-rooted sources of support for shifting power from nation-states to international organizations. Focusing on the European Union, this paper develops the hypothesis that citizens appreciate the role of international organizations in constraining...

The quasi-exogenous division of the French regions Alsace and Lorraine after the Franco-Prussian War allows us to provide evidence about group identity formation within historically homogeneous regions. We use several measures of stated and revealed preferences at the municipal-level in a...

A major theory from social psychology claims that external threats can strengthen group identities and cooperation. This paper exploits the Russian invasion in Ukraine 2014 as a sudden increase in the perceived military threat for eastern European Union member states, in particular for the...