If you think of these kind of like trays in a cafeteria, right, that are kind of upside down, and by default, they're stacked from the floor on up and up and up.
If we're "only" talking about a bumpy, anaemic recovery, not a double-dip - and we don't see a game-changer for the global economy in the next few months, likea US default or a meltdown for the euro - these kinds of measures to support the economy look more likely at this stage than another dose of quantitative easing.