Major central banks have stepped up their efforts to attenuate the economic impact of the pandemic, raising the question whether there is a limit to balance sheet expansion. An asset purchase program (QE) can continue for a long time, given the possibility to broaden the investable universe. Quite likely, asset price distortions and concern about the riskiness of the central bank balance sheet will act as the true constraint. For this reason, a central bank could decide to finance the budget deficit directly, considering that this should have a bigger growth impact for a given expansion of the balance sheet. The real challenge under such a strategy is to keep inflation under control once the output gap is closing.
Lending momentum in the euro zone recovered strongly in March 2020, with an increase of 1.6% from a 0.4% fall in February. Against a background of negative GDP growth in the first quarter (-3.3% Q/Q-4 from +1.0% Q/Q-4 the fourth quarter of 2019), conditions in March were severely affected by the lockdown measures introduced by national governments over the month [...]
