4  We are working systematically to improve the currency structure of public debt in order to lower the risk of change in the value of global currencies – the share of dinar debt rose to 27.7%, while the dollar portion contracted to one-fifth, whereas several years ago the dollar debt accounted for one-third of public debt.
The second argument is that central banks could have problems implementing a stimulative policy in a very-low-inflation environment because nominal interest rates cannot go below zero.