Is there a diplomacy modifier for trade routes between civs?

If I'm a trade partner with another civ, is there a positive diplomacy modifier with them?

If we both trade together and they lack alternatives for foreign trade routes, are they less likely to go to war?

There is no positive modifier (Except one for Tourism)

However. Madjinn I believe has mentioned in pre-release of BNW that the AI takes into consideration which routes they will lose (actives ones I believe) if they go to war with you.