Russian prime minister Dmitry Medvedev on Wednesday dismissed challenging comments in saying its economy is in good shape and the country has already embarked on reforms.
The International Monetary Fund (IMF) chief said on Wednesday that the economic recovery is still weak, and uncertainty is still high.
Weak demand globally especially in the EU is the biggest external challenge for China's economy in 2013, said European economists.
Growth levels will remain about the same in 2013 but inflation is likely to rebound moderately, according to economists at a leading think tank.
Experts believed that deepening economic ties between the United States and China is critical to global economic recovery
The most important global issue today is how to manage the transition from a world controlled by the so-called developed economies to a new multilateral world in which emerging countries are already playing a leading role.