The estimates of riskiness obtained in this way have been used in determining the share of bad debts deemed not to be recoverable.
However, since both are essential preconditions for sustained economic growth, it is not at all meaningful to consider which of the two we should choose. What is crucially important is to prevent the economy from getting into such a tradeoff in the first place; for that reason, fiscal sustainability itself is an essential precondition for the proper functioning of a central bank.