Using harmonized household survey data, we analyse long run social mobility in the US, the UK, and Germany and test recent theories of multigenerational persistence of socio-economic status. In this country comparison setting we find evidence against Gregory Clark's "universal law of social...

We study the contribution of migrants to the rise in UK top incomes. Using administrative data on the universe of UK taxpayers, we show migrants are over-represented at the top of the income distribution, with migrants twice as prevalent in the top 0.01% as anywhere in the bottom 97%. These high...