This solution, which I personally find appropriate, was at one point considered but then rejected by the Governing Council. In his remarkable scientific output, as in his numerous articles for the public at large, Marcello De Cecco always highlighted the close ties between geopolitical issues and economic events.
It is interesting today to go back and read one of his last articles published in Affari e Finanza at the end of 2015. It dealt with the decision adopted by the ECB Governing Council in December of that year to expand asset purchases.