Always interested in the factors being optimized when making these decisions. I would think that for people engaging in an inherently risky endeavor such as entrepreneurship, the most important goal would be to hedge against failure.<p>France, and the EU in general, have some of the best social safety nets in the developed world. What exactly does moving to the USA accomplish in 2014? The EU has no shortage of educated engineers or professionals. Is the potential tax savings of incorporating in the US worth the visa and immigration hurdles, lack of consistent healthcare, lack of social safety net and much lower quality of life (vicious judicial systems, abnormal incarceration rates, high crime rates, militarized police, draconian drug laws, etc.)?<p>It is always better to assess a situation rationally, rather than impulsively pack everything in a suitcase after reading a Paul Graham essay. Unlike most of his readers, PG is a Harvard grad and a US citizen.