The Volcker disinflation (and analogous episodes in the United Kingdom, Canada, and elsewhere) was undoubtedly a major catalyst for an explosion of fresh thinking by economists and policymakers about central bank credibility, how it is obtained, and its benefits for monetary policy-making.
The cost of credit facilities and overdrafts  The recent legislative measures on the costs of credit facilities and overdrafts have produced some of the desired effects: banks have changed the structure of fees, also with a view to recouping the lost income from items that have been banned by law.