Yeah - I think I'm trying to get a handle on "comparable".  WTN is
measured to a resolution of 0.5 (iirc one of GT:FT authors justified
this as best reasonably achievable).

On 6/11/2014 11:33 PM, Freelance Traveller wrote:
> On Thu, 06 Nov 2014 22:23:43 +1000, Alex Goodwin
> <xxxxxx@multitel.com.au> wrote:
>
>
>> How does having multiple economically-interesting worlds in a system
>> affect system trade stats?
> Given our discussion on IRC this morning, you indicated that the WTN is
> a logarithm - that is, WTN of 6 represents ten times as much trade as
> WTN of 5. Given that, and given the numbers for Id/III and Id/V in your
> posting, Id/III has a shade over three times the trade of Id/V. That
> means that the entire system trade is four times the trade of Id/V,
> which would raise the system WTN to 6.6.
>
> The real question is what the trade codes should be - my suggestion was
> that if the two worlds were comparable, it might make sense for the
> "external" trade codes to reflect both worlds (i.e., for the example at
> hand, Cp Ag In Ri). I still think that that's sensible - but how to
> decide "comparable" for this purpose? Is it a difference in WTN of less
> than 1.0? less than 0.5?
>
>
>
>