That is another reason the Bank allowed the overnight rate to shift downward. Second, the clarification of a condition that the virtually zero interest rate will be maintained.
Governments, for example, have always had a demand for statistics on the wealth of their citizens, as this helped them to collect taxes. In the 17th century, this led Sir William Petty, an Englishman, to count chimneys in order to draw inferences about the wealth of an economy. His works can be seen as the foundation of modern social and economic statistics.