This, but foremost, financing by private investors is very small. All companies with a valuable product move sooner or later to US or they face money starvation

This, but foremost, financing by private investors is very small. All companies with a valuable product move sooner or later to US or they face money starvation. Also EU suffers of market fragmentation, unless you have good recomendations and market visibility, nobody will buy the product. US is a very different market, very deep and competetive.