I doubt that France will be able to do this - they have many disadvantages comparing to USA: - high taxes - a lot of buerocracy - language burden to attract high qualified foreign employees - lower salaries - fragmented political system in the EU - much lower population in France comparing to USA and if you want to cover the entire EU, you have to support many different languages, currencies, etc...
High taxes is both a blessing and a curse. Depending on what the taxes are spent on, they can really help. For example good safety nets for unemployment means you can risk failing your startup without being broke. Second, free higher education means the chance that the right entrepreneur gets the right education is higher. > fragmented political system in the EU To be honest it feels about as fragmented as US state l…
Under-rated point, this. California is a single giant market, but for lots of services the US has much less of a "single market" than the EU. Especially banking, finance, insurance, healthcare.