We address the problem of finding the optimal lockdown and reopening policy during a pandemic like COVID-19 for a social planner who prioritizes health over the economy. Agents are connected through a fuzzy network of contacts, and the planner's objective is to determine the policy that contains...

This research developed an approach to reliable team formation and supplier network design, focusing on a multi-objective model integrating fuzzy-set theory and social network analysis. The approach simultaneously focuses on reliable collaboration network, order allocation, capabilities (skills,...

This paper provides evidence of the effect of immigration-based networks on German trade. Germany presents a particular interesting case study to examine the effect of ethnic networks on exports due to its high export dependence and its reserved migration policy. According to our results, we...