The dollar nevertheless remains the world’s leading reserve currency, with the euro in second place. Investors are naturally anxious to protect themselves against markets, including currency markets, which have shown such a high degree of volatility.

The Chinese, who have the greatest number of dollars in their currency reserves, have already suffered substantial losses.

In what amounts to a crisis of the dollar, the euro is in second place as a reserve currency, but there are potential threats to the future of the euro, due to the weak productivity of the Mediterranean economies.