What accounts for the gap between Germany and France in terms of export market shares and the size of industry?

Since the early 2000s, Germany's development has been much more positive than France ’s in terms of export market shares and industry size. What accounts for this gap between Germany and France? Not unit labour costs, which are still higher in Germany than in France (which includes wages, taxes, productivity, working hours); Not the level of productive investment, for which France is not at a disadvantage against Germany; Not the level of research & development to any significant extent; it is high in France; As explanations of the gap between Germany and France we are left with education and skills, and corporate modernisation.