We consider a model of network interactions where the outcome of a unit depends on the outcomes of the connected units …. We determine the key network link, i.e., the network link whose removal results in the largest reduction in the aggregate … outcomes, and provide a measure that quantifies the contribution of a network link to the aggregate outcomes, which complements …

This paper investigates the determinants of school friendship networks among adolescents, proposing a model of network …

This paper analyzes whether natives with a network abroad have a distinctive cultural stance compared to similar …

during a pandemic. Agents are connected through a weighted undirected network of contacts, and the planner's objective is to … contact network and the tolerable infection incidence. Comparative statics analyses are conducted: (i) they reveal the … between different measures of network centrality and individual lockdown probability with the correlation increasing with the …

labour market continues to raise concerns. Evidence across countries shows that migrants are more often over-educated than … natives. Over the last years, scholarship has intended to capture the effect of informal networks on migrants’ over …-occupation mismatch is well documented. This article has two objectives: it assesses the extent to which over-education affects migrants …

-count Census of 1940, we estimate the impact that the exogenous fraction of naturalized co-ethnics in the network observed in 1930 … naturalized co-ethnics in the network positively affects individual naturalization and that this relationship operates through one …

in China (RUMiC), we find that network size matters significantly for migrant workers. Our preferred IV estimates suggest … those without access to social insurance. The main channel of the network effect is through boosting confidence and reducing … anxiety of migrants. …

international migration network, I document that opinion changes at the origins spill over to 1st- and 2nd-generation immigrants …