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Welcome to the new COTI server. We've moved the Citizens to a new server. Please let us know in the COTI Website issue forum if you find any problems.
We, the systems administration staff, apologize for this unexpected outage of the boards. We have resolved the root cause of the problem and there should be no further disruptions.
If you go to the trade volume maps for each sector in the wiki you can see the trade modeled using the "Gravity Model" which is the standard trade modeling used by economists in the real world. Here is link to the "Spinward Marches" https://wiki.travellerrpg.com/File:Spinward_Marches_Sector.pdf
