Well, the U.S., of course, is the world's largest economy. It's about a quarter of the world's output. It's also home to many of the largest financial institutions and financial markets.
Other quotes by Ben Bernanke
If I am confirmed, I am confident that my colleagues on the Federal Open Market Committee and I will maintain the focus on long-term price stability as monetary policy's greatest contribution to general economic prosperity and maximum employment.
The crisis and recession have led to very low interest rates, it is true, but these events have also destroyed jobs, hamstrung economic growth and led to sharp declines in the values of many homes and businesses.