international migration network, I document that opinion changes at the origins spill over to 1st- and 2nd-generation immigrants … European Refugee Crisis of 2015, I show that salient events trigger learning from the origins. Welcoming asylum policies at the …

groups before their scholar curriculum reduce political opinion gap, and increase friendship formation. Using the pairwise … differences in opinions by 40% of the standard deviation of opinion gap. The evidence is consistent with a homophily … opinion gaps by reducing divergence, therefore polarization and extremism, without forcing individuals' views to converge …

This article investigates the macro-level drivers of adult-age language learning. We construct a new dataset that … covers German language learning in 77 countries (including Germany) for 1992-2006. Fixed-effects regressions show that … language learning in the EU is strongly associated with immigration. Instead, immigration by non-EU citizens in associated with …

We develop a model of firm learning in volatile markets with noisy signals and test its predictions using historical … improvements from learning are faster where market signals are noisier. …

the nature of the task at the second date further shows that learning is unencumbered by a change in environment. Our …

crucial. Representative opinion polls, often involving simplified questions about the complex topics under debate, are an … ; public opinion poll ; PAYG pension system ; East Germany …