Dynamism in emerging markets, mainly India, has driven the global business confidence to a five-year-high, a survey by Economist Intelligence Unit (EIU) says.EIU's fifth annual CEO Briefing survey, found that 9 out of 10 top global executives rated business prospects during the next three years as "good" or "very good".The main drivers behind the optimism among global business executives were the bustling emerging markets especially -- India and China.In the survey, majority of the 1,006 executives from around the world are planning to invest more in developing countries than in developed economies.One of the key finding of the survey shows that India is more upbeat than China.Respondents from India are abuzz with optimism for the years ahead, with 98% of them seeing "good" or "very good" business prospects.Meanwhile, the survey pointed out that in comparison to India, China-based executives were notably less enthusiastic.Eight out of the ten respondents in China say that the outlook is promising, but just 3% agree that it is "very good", though both countries are highly positive about the prospects for business in 2007, the survey said.The survey highlights the importance of emerging markets to companies as primary revenue and sourcing opportunities.A majority of respondents intend to invest more time and money in emerging markets over the next three years than in the developed economies.