https://www.fsinplatform.org/report/global-report-food-crisis-2019/
https://www.nber.org/system/files/working_papers/w32002/w32002.pdf
http://www.migrationobservatory.ox.ac.uk/resources/reports/unsettled-status-which-eu-citizens-are-at-risk-of-failing-to-secure-their-rights-after-brexit/
https://www.whitehouse.gov/wp-content/uploads/2018/10/The-Opportunity-Costs-of-Socialism.pdf