From: Allin Cottrell (cottrell@WFU.EDU)
Date: Wed Jun 07 2006 - 01:04:24 EDT
On Tue, 6 Jun 2006, Ian Wright wrote:
>> Ian, you are definitely off the rails here. Any magnitude with
>> dimension $/$ has to have a value of 1.0 in any sane system.
>
> Not at all.
>
> A capitalist invests $100 over a year and receives $10 return. The
> rate of profit is:
> 10/100 = 0.1$ per $ invested.
"Over a year": the deal is that by investing $100 you get $10 per
year. Dimensionally, ($10 / year) / $100 = time^{-1}.
> On what grounds could you think that a ratio of values in the same
> units should necessarily equal 1.0?
Simply that I can't imagine anyone parting with more than $1 in
exchange for $1, without there being an explicit time dimension to
the exchange.
Allin.
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