WEF says northern European economies are most competitive . According to the most recent annual 2010-2011 competitive league tables established by the World Economic Forum (WEF), Switzerland remains the most competitive country in the world. Out of 142 countries, Switzerland is in the lead, with Singapore on its heels, after having pushed Sweden out of second into third place. The Top 10 has not changed very much and northern European countries are still going strong. Finland climbs from...