The plunge in oil prices since June may hurt some crude exporters but is overall a good thing for the world economy, ...http://vietnamnews.feedsportal.com/c/35237/f/655031/s/41076649/sc/2/l/0Lvietnamnews0Bvn0Cmiscellany0C26350A70Coil0Eprice0Efall0Egood0Enews0Efor0Eworld0Eeconomy0Eimf0Bhtml/story01.htm