In response to the worst economic crisis since the 1930s, government budgets and central banks have provided substantial support for aggregate demand and for the financial sector. In the process, fiscal balances have deteriorated, government liabilities and central bank balance sheets have been...

Today’s record public debt levels in most advanced economies are not only a direct fall-out from the global crisis. Public debt had ratcheted up over many decades before, when it had been used, in most of the G-7 countries, as the ultimate shock absorber—rising in bad times but not...