https://www.politico.eu/article/azerbaijan-advance-nagorno-karabakh-conflict-armenia-military-offensive/
https://voxeu.org/article/short-term-impact-war-economic-activity-ukraine
https://watson.brown.edu/costsofwar/files/cow/imce/people/Walkup%20Jayes_War%20Paradigm%20Paper_2022_02_08.pdf