We test the relationship between historical immigration to the United States and political ideology today. We hypothesize that European immigrants brought with them their preferences for the welfare state, and that this had a long-lasting effect on the political ideology of US born individuals....

We review the growing literature on the political effects of immigration. After a brief summary of the economics of immigration, we turn to the main focus of the paper: how immigrants influence electoral outcomes in receiving countries, and why. We start from the "standard" view that immigration...