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Old 12-06-2006, 07:05 PM
ExamTortoise ExamTortoise is offline
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Default Man, this Outpost has been abandoned....

Undaunted however, I will still ask another (apparently rhetorical) question:

Feldblum in his seminar handouts went ape on the Hull Chapter 10 concept of Geometric vs Arithmetic Brownian motion, "Normal vs Lognormal" means, variances and parameters and "stock price returns" vs "rates of return".

I think, for the most part, he has gone where no examiner has gone before or will ever go. That said, I feel the distinction between "stock price returns" which are lognormally distributed and "rates of return" which are normally distributed is potentially important.

Can anyone explain in small words without formulas what the distinction is between a "stock's price return" and it's "rate of return"?
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