Six years after the fall of Lehman Brothers on September 15, 2008, which triggered the global financial crisis, it appears that the unconventional monetary policies of the US Federal Reserve have helped the world's largest economy to stage a revival. However, the world is a far different place than it was in 2008. Amid bouts of volatility across asset classes, structural imbalances have to be evened out. Six years later, while the US economy is on a recovery path, China has engineered its economy for a slower pace of growth. India, despite slower growth, is better placed structurally. Euro zone and Japan, though out of recession, continue to struggle whereas Russia and Brazil are barely growing. There are issues that need attention for the world to be stronger financially. Here's a look at the key indicators: