https://cepr.org/voxeu/columns/world-war-ii-america-spending-deficits-multipliers-and-sacrifice +

https://www.ebsco.com/research-starters/military-history-and-science/world-war-ii-and-us-economic-recovery

https://www.imf.org/en/blogs/articles/2026/04/08/wars-impose-lasting-economic-costs-while-more-defense-spending-means-hard-choices