says strong labor market risks overheating U.S.economy
Financial conditions have become more favourable in recent months even as fed tightened
Sees U.S. inflation reaching 2-pct goal next year
Fed needs to raise rates to keep economy expanding as long as possible
Most of recent slowdown in U.S. inflation due to one-off factors
U.S. unemployment falling further, remaining a little above 4 pct through next year