By Lee Kah Whye In a report published by the Economist Intelligence Unit (EIU) last week, Singapore retained its number one spot in a ranking which predicts the countries that will have the best business environment in the world for the next 5 years, a position it has held for the last 15 years. Canada and Denmark were ranked joint second with US and Switzerland occupying fourth and fifth place places respectively. India, Vietnam, Thailand, Belgium, Sweden, and Costa Rica made the biggest improvements over the past year in their business environments, whereas China, Bahrain, Chile and Slovakia deteriorated the…