At the NBER meetings, I have been asking around what will happen if the Federal government defaults, and Treasurys go down a notch in ratings. Keep in mind pension funds and financial institutions are constrained to hold at least some AAA rated securities. What happens if those securities are downgraded; should we expect a smooth, re-balancing of portfolios worldwide?
Jeff Frankel dissects why we are in this situation, using fable (well, a movie fable):