We estimate heterogeneous wage structure effects for country-pairs within the EU by the Causal Forest algorithm, then identify groups of workers with the highest and lowest discrepancies in terms of wage differentials. We find that, in the East-West comparison, age is the most consistently...

We analyze the impact of an inflow of foreign workers on the wage distribution of residents in a small open economy like Switzerland. We exploit the fact that Swiss mobility regions were differently affected by the intensity and the timing of the Agreement on the Free Movement of Persons,...

We estimate heterogeneous wage structure effects for country-pairs within the EU by the Causal Forest algorithm, then identify groups of workers with the highest and lowest discrepancies in terms of wage differentials. We find that, in the East-West comparison, age is the most consistently...

We analyze the impact of an inflow of foreign workers on the wage distribution of residents in a small open economy like Switzerland. We exploit the fact that Swiss mobility regions were differently affected by the intensity and the timing of the Agreement on the Free Movement of Persons,...