You’ve heard his reasoning before, but it is instructive to hear it again.

“Our first objective, the first goal that we have, is to meet our mandate to get price stability and maximum employment in the United States,” Bernanke said yesterday in response to questions from college students in Jacksonville, Florida. “A strong U.S. economy, a recovering economy, is critical not just for Americans but it’s also critical for the global recovery.”

On the dollar, he said:

“The best fundamentals for the dollar will come when the economy is growing strongly,” Bernanke said yesterday. “That is where the fundamentals come from. We are aware the dollar plays a special role in the global economy.”