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Re: transaction costs in anonymous markets
On Mon, 16 Oct 1995, Sandy Sandfort wrote:
>
> This is only true if you assume everyone will do their own
> reputation evaluation. This is a third-party insurer problem,
> really. Either a "Lloyds of London" or a "Good Housekeeping"
> model would do the trick.
>
Actually, this sounds a lot closer to someone like S&P or some other
rating agency.
Simon
------
(defun modexpt (x y n) "computes (x^y) mod n"
(cond ((= y 0) 1) ((= y 1) (mod x n))
((evenp y) (mod (expt (modexpt x (/ y 2) n) 2) n))
(t (mod (* x (modexpt x (1- y) n)) n))))