CNBC's Kelly Evans

I don't mean, "Can the Fed afford the risk of rate hikes that might slow the economy." I mean literally, can the Fed afford to raise interest rates. It's a topic you're starting to hear more about lately. And it's because the Fed's own exposure to interest rates has changed dramatically.  

Just this morning, Jefferies issued its 2022 macro outlook. The firm's chief economist, Aneta Markowska, has been warning for months the Fed is behind the curve. She now thinks they will announce a faster taper next month that will end by March, followed by rate hikes in September and December.