Fed's Yellen: Expectations of change of fiscal policy may have affected rate outlook views

Additional headlines coming from Fed's Chairwoman Janet Yellen, via Reuters, as she speaks during a FOMC press conference:

• Says concerned that productivity growth has been very low
• Productivity could be improved with education, innovation, competition policies
• Tax policies can have an effect of boosting productivity
• Says can't say how fed will respond to any policy changes; won't speculate until more certain of details