This article shows two studies that showed that people who live abroad have a creative edge.
There is a real tension living abroad, some significant benefits as well as limitations. I may be more creative, but I live too far away from my family in America to be of much help, especially with aging parents. I have lost contact with nearly all of the friends I had before coming here.
I'm not complaining, just pointing out that there are trade offs everyday. And everyday I ask myself what I'm going to choose. Today I say this is the place to be.
Travel and creativity: Expats at work | The Economist