Since the start of the financial crisis, the Fed, the European Central Bank, the Bank of England, and the Bank of Japan have used QE to inject more than $4 trillion of additional liquidity into their economies.
Desde o início da crise financeira, a Reserva Federal, o Banco Central Europeu, o Banco de Inglaterra e o Banco do Japão recorreram à QE para injectar mais de 4 biliões de dólares de liquidez adicional nas suas economias.