Simple, 2 of them will say US will enter recession.
The other 2 will say, US will not enter recession.
2 of them are assured a Nobel prize.
Why helllooo der, I be a janitor at deh Cambridge university company. I be workin my way up in deh janitorial business for the last 20 years. Bein an employee of cambridge I believe I has some authority in talkin about deh workings of deh nobel prize award show. See it dem no good jews who been stealin deh ideas of the hard workin economicists in Africa.