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<p>[QUOTE=&quot;-jeffB, post: 1140747, member: 27832&quot;]The blue curves you&#039;re fitting to the data here don&#039;t look parabolic to me, they look hyperbolic. Of course, the problem with a hyperbolic curve is that it implies an <i>asymptote</i>, where the price goes to <i>infinity</i> before it reaches a particular date. On your charts, it looks like that date falls somewhere in the next year or two.</p><p><br /></p><p>Asymptotes are common in mathematical models, but rare in reality. In this case, it would imply that the unit of value (labeling the y-axis) goes to zero, which means the price of every other dollar-denominated commodity would <i>also</i> go to infinity.</p><p><br /></p><p>Better to be long on canned beans, I think.[/QUOTE]</p><p><br /></p>

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