11.   Economists caution that any long-term estimates of economic growth are imprecise by nature, however.

12.   Economists caution that monthly numbers fluctuate and that they often rise in January, as seasonal workers in the retail industry are dismissed after the holidays.

13.   Economists caution, however, that there is little the White House can do to stimulate the economy in the short run.

14.   Economists cautioned against leaping to pessimistic conclusions, however.

15.   Even so, economists caution that continued hiring in certain sectors does not mean the economic picture has brightened.

16.   Some economists caution that the situation in New York is far different from that in areas that have experienced natural disasters.

17.   Some economists cautioned, however, that the Fed may hold off taking action until it can review data that was delayed by the government shutdown.

18.   Still, some economists cautioned against reading too much into the numbers.

19.   Still, economists caution that all of the positive increases in revenues, strong economic growth and positive results from legislative actions could begin to slow in coming years.

20.   Still, economists cautioned, the long-term economic effects of a disaster can often appear to be much greater in its immediate aftermath than they actually become.