Rapid growth of emerging economies like India, China and Brazil is boosting the American exports. US Treasury Secretary Timothy Geithner in his testimony before the Senate Foreign Relations Committee,said the growth in US export is in turn is raising income and employment across the United States in manufacturing and high tech and agriculture. He said the US is working in the G-20 to help build consensus on long-term reforms that will provide the foundation for a more balanced, more stable global economy. Geithner said US will lay out a framework for cooperation that includes movement to more flexible exchange rates by emerging economies.