Almost a decade after Emmanuel Macron announced that he wanted to turn France into a “start-up nation”, even the most die-hard sceptics would have to admit that our Gallic cousins have made impressive progress.  Once better known for its 35-hour work week and air traffic control strikes, Paris is second only to London as a European start-up location, although Berlin competes and even outranks it on some metrics, such as the absolute amount of capital invested in start-ups. Yet a fraction of the vast amounts in sleepy French institutional money is now coming to the table. High-profile initiatives such as…