https://www.bloomberg.com/news/features/2021-09-02/food-prices-driven-up-by-global-worker-shortage-brexit
https://www.socialeurope.eu/the-worlds-of-work-in-transition-managing-the-megatrends-impacting-labour-markets-and-society
https://wiiw.ac.at/the-labour-market-entry-and-integration-of-refugees-and-other-migrants-in-austria-dlp-6700.pdf