taxes. the way that R&D is measured is very tied to the tax code in countries. If R&D is economically promoted (historically the USA has invested much more mone

taxes. the way that R&D is measured is very tied to the tax code in countries. If R&D is economically promoted (historically the USA has invested much more money into R&D than other nations per capita because other nations tend to favour tax credits as opposed to direct investment - which seems like it opens the door for foreign investment to control a large percentage early in a startups life in exchange for tax credits after investment has dropped into their borders)