-country language skills and educational attainment? We exploit the exogenous placement of guest workers from five ethnicities across … exposure to a higher own-ethnic concentration impairs immigrant children's host-country language proficiency and increases … school dropout. A key mediating factor for this effect is parents' lower speaking proficiency in the host-country language …

In this paper we deliver first causal evidence on the relationship between immigrant host country language proficiency … and homeownership. Using an instrumental variable strategy, we find a substantial positive impact of language skills on … capital and, in particular, language proficiency for socio-economic assimilation. …

, learning and evolution. Finally, contemporary criticisms are presented. They suggest that the arguments of complex systems do …

communication, we also find systematic deviations from optimal behavior in how the communicated information is used. Specifically …

and statements, and we investigate whether communication improves information aggregation and the accuracy of group … decisions. Our findings suggest that the effect of communication depends on the underlying accuracy of individual judgments …. Communication improves accuracy when individuals tend to be incorrect, but diminishes it when individuals are likely to be correct …