War

[AIL]

One thing to the AI's Trade behaviour: The Bigger you are the more they demand and the less likely they are to offer something.

In my current game on Regent I now own around half the world and India wanted me to trade 4 Luxuries for 1 and they would not even trade a tech for 1 equal tech + 3 luxuries!

In a Game on Deity when the AI was far superior to me they contacted me and offered me to sell their techs for some crappy lumpsum...

I think it makes sense at all... If there's someone big and he wants something he's to pay a lot... If you are far beyond someone else you think i sell it to him for what he has so noone else can sell it to him before I do...

[Ethelred]

That is what happens with LUXURIES. Their value to a civ depends on the size of a civ so the AI bases the price on that. Small civs with little population don't need luxuries. Large civs do.