Drawing on panel data from six elections between 1998 and 2017 in Germany, we estimate the causal effect of immigration – described by Germany’s interior minister as the "mother of all political problems" – on electoral support for the far right and the far left. Our identification...

Drawing on panel data from six elections between 1998 and 2017 in Germany, we estimate the causal effect of immigration - described by Germany's interior minister as the "mother of all political problems" - on electoral support for the far right and the far left. Our identification strategy is...