The US and the EU have been flooding the markets with money ever since the recession too, though, with low to negative interest rates and bond buys. The EU is

The US and the EU have been flooding the markets with money ever since the recession too, though, with low to negative interest rates and bond buys. The EU is in a worse state than the US with an interest rate of 0.0 and therefore no room to maneuver in case of a new downturn. For either three of those markets, the flooding can't continue indefinitely.