By obtaining information from credit bureaus on total borrowing and bill paying habits for corporate and individuals, lenders can obviously better assess credit worthiness of a potential borrower. This can in turn influence the decision to lend or not to lend, and can affect the interest rate and other terms of a loan.
People offered various analyses of this; many opined that it should not be that hard for the central bank to return to inflation, by sufficiently aggressive action. Thoughtful people pondered the difficulties Japanese policymakers confronted and hoped never to find themselves in that situation.