Rosengren - Large-Scale Asset Purchases' Primary Impact on Economy Was Reducing Mortgage Rates

Rosengren - Expanding Balance Sheet May Signal Fed Determined to Reduce Disinflationary Pressures

Rosengren - With Unconventional Policies, Costs Can Be Apparent But Benefits Harder to Track

Rosengren - Job Mismatches Not Primary Problem For Labor Market

Rosengren - Inflation "undesirably Low," Fed Has Policy Options