CHICAGO – Although low interest rates have traditionally been viewed as positive for economic growth because they encourage businesses to invest in enhancing productivity, this may not be the case. Instead, extremely low rates may lead to slower growth by increasing market concentration and thus weakening firms' incentive to boost ...

The U.S. Federal Reserve faces a daunting task as it moves away from near-zero interest rates: communicating its plans without unduly shaking up financial markets. The job would be easier if everyone involved recognized that the central bank's actions must depend on the state of the economy, not on the calendar.Consider what happened in July ...