Obama was referring to the implementation of the trade protection excuses

Some developed countries have tried to include the so-called global economic imbalances render into a major financial crisis, require some emerging economies, responsible for global economic rebalancing of "responsibility", this is not only impossible, rebalancing the global economy and have let Summit "in danger of losing focus", trade protectionism will play the role of the flames, ultimately harm the world economic recovery process.

According to Xinhua United States Pittsburgh Aug 24 September (Liu) when the g-20 in Pittsburgh at the third Summit, the world economy by some experts describe the challenges facing the "3R" that is, recovery (RECOVERY), reform (REFORM) and then balance (REBALANCING) challenges.

Three major challenges, the most crucial is how to ensure a sustainable recovery in the world economy, this involves economic stimulus measures of "exit strategy". In a number of economists, the current States of loose monetary and fiscal policy, the cumulative inflation risk is the potential; but if the early implementation of the "exit strategy" that will likely make the current economic recovery hopes to "die". How this difficult issues remain balanced, will undoubtedly be many Governments face the challenge.

Three major challenges, financial reform is the trend, it is widely considered that this Summit is most likely to reach a consensus.

Reform of the reform of financial supervision on the one hand, and on the other hand, is the international financial system reform. The international community must address the emerging and developing countries, including the poorest countries and in international financial institutions ' right to know, voice and representation. This is a general trend, but the process will undoubtedly be difficult.

The so-called economic rebalancing, undoubtedly is the Summit of the most controversial issues. For United States President Barack Obama recently proposed Summit to discuss economic rebalancing of Germany Angela Merkel believes that talk about the problem affects 20 g discussion more pressing issues in financial reform. Many economists believe that some developed countries now throw economic rebalancing, and make public opinion, namely through the manufacturing of new issues of extrusion on yourself, and use this to export surplus countries pressured to implement protectionist measures looking for excuses.