Last week, I discussed why the U.S. and global recovery will occur later than the optimistic consensus argues. This week, I will discuss why the recovery will be sub-par and below trends for a few years once it does occur, and why there is even the risk of a double-dip W-shaped recession.

The crucial issue facing us is not whether the global economy will bottom out in the third or fourth quarter of this year, or in the first quarter of next year. It's whether the global growth recovery, once the bottom is reached, will be robust or weak over the medium term--say 2010-11.

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