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The Homebuilding/ Stock Price Relation


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Posted 19 May 2007 - 02:57 PM

Practical Speculation has a chapter on the relation between real estate prices and stock prices, following in the footsteps of Henry George. Studies show that boom/bust cycles in the economy and stocks are started when real estate prices get out of line with underlying economic activity. When real estate is too high, retailers can't make a profit and they downsize. When real estate falls, retailers and others who use property make more profit because their costs of real estate is lower. Henry George and others, such as Homer Hoyt, documented this phenomenon for many economic cycles up to the 1930s. David Ricardo first elucidated the theory.

Laurel and I documented that the cycles had continued vis a vis REIT prices, with declines in quarterly REIT prices forecasting gains in the overall market in the next quarter of about twice the normal rate, 7% versus the normal 3%. We recently updated the study to look at what happens to the overall market after changes in the S&P 400 Homebuilding index and found a highly negative predictive correlation of -20%. After quarterly declines in the Homebuilding index, such as we've just witnessed, the average gain in stock prices in the next quarter is 5%, with about a 75% chance of a rise. Once again, a commonly held fallacy leading the pubic to sell when they should buy bites the dust.

http://www.dailyspec...rdpress/?p=1545
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Defenders of the status quo are always stronger than reformers seeking change, 
UNTIL the status quo self-destructs from its own corruption, and the reformers are free to build on its ashes.