"We are facing extreme volatility." — Carlos Ghosn

What I worry about is not just Nissan, but Japanese manufacturers losing motivation to maintain production in Japan. The high yen is definitely a headwind.

We have some worse scenarios for which we need to prepare as companies. For the moment, we're planning for the worst, and the worst is now, and the car market is down more than 15 percent in France. There is so much uncertainty.

Is Europe going to be breaking? I don't think so. I think the euro will stay. I think at the end of the day Europeans will find the solutions in order to hold Europe together.

If we come to the conclusion after 90 days that the synergies are big enough to justify the efforts, then we can go to the second step, which consists of saying: what would be the best organization and conditions - including shareholdings - in order to make sure the synergies happen.