When it comes to elite economy class flyers and frequent flyer benefits, Oneworld is way behind the others. Star is the best since they give double miles even on cheap tickets, Skyteam comes 2nd by giving a 50% bonus. At least that's the case with me being top level with UA and AF. I used to be top level with BA, but I don't fly them or any Oneworld carrier anymore since they don't care about rewarding economy passengers.