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Yes, History Has Much to Say About This Market

IN bull markets, it’s wise to guard against thinking that “this time is different ” — that stocks will keep rising forever. Sooner or later, the laws of economics reassert themselves. And it’s wise to remember that major market declines follow some common patterns, too.

Right now, it’s tempting to think that this bear market is so unusual that history’s lessons are of little use, and that the types of investments that are weakest now will keep dropping indefinitely. No two market environments are identical, of course, but there is plenty of precedent for the credit crisis of the last 18 months — and for its profound effects on the stock and bond markets.

In fact, you can view the markets’ behavior since mid-2007 as a textbook illustration of a statistical pattern uncovered years ago by two finance professors, Lubos Pastor of the University of Chicago and Robert F. Stambaugh of the Wharton School of the University of Pennsylvania. They found that the financial markets are always vulnerable to what they called a liquidity shock — a sudden tightening of credit. Aside from the current crisis, two recent examples are the market conditions during the market crash of October 1987 and the wake of the near-collapse of Long-Term Capital Management in the fall of 1998.
Read entire article at NYT