United States remains most competitive world economy but Denmark finishes first in stress test. - In 2009, the United States remains the most competitive economy in the world followed by Hong Kong (3rd in 2008), Singapore (2nd in 2008) and Switzerland (status quo), according to the world competitiveness scoreboard 2009 set out by the IMD World Competitiveness Center. This year, IMD has added a “stress test”, or test of resistance, to its analysis, comparing the resistance of economies...