Here is an interesting article. It feels like it might be subject to some (selection?) bias, but the outcome appeals to my sensibility. Key sentiment is below:
My research revealed that lucky people generate good fortune via four basic principles. They are skilled at creating and noticing chance opportunities, make lucky decisions by listening to their intuition, create self-fulfilling prophesies via positive expectations, and adopt a resilient attitude that transforms bad luck into good.
http://www.telegraph.co.uk/technology/3304496/Be-lucky-its-an-easy-skill-to-learn.html