Earlier quoted context omitted.
Timeline and geography doesn't work out for your hypothesis. The Green Revolution began in earnest in the late 50s; at that point, the post-war expansion in the U.S. was alread 10-15 years old and slowing down. It also started in developing nations like Mexico, India, Bangladesh, and the Philippines - there's perhaps some influence through international trade, but if that's the cause you'd expect Mexico and India to…
The US also saw a short term boom after WWI just look at the 20’s. That doesn’t explain why the boom continued for so long after WWII. Also, the green revolution was more a global phenomenon, the US saw significant agricultural productivity growth in the 1940’s from increased mechanization and fertilizer usage. For comparison I would suggest you look at how common and large US recessions where from 1800-1900. https:/…
See a pattern there? It's really awesome to win a war, particularly if it was never fought on your territory or you got reparations. It really sucks to lose a war. Over the short term (~10-20 years), this effect dwarfs the normal peacetime business cycle. Over the long term (~50-100 years), it's dwarfed by things like the political-economic system, technological development, alliances, population growth & demographics, etc, which tend to set up the winners of next war.
(The U.S. experienced a similar boom after the end of the Cold War in 1991.)