31.   They declined last year, analysts said, because the tight labor market pushed up wages, which are the largest cost in producing goods and services.

32.   Heavy dependency on unskilled foreign workers, he says, has not increased national productivity but instead, pushed up wages.

33.   Meanwhile, militant labor movements pushed up wages and eroded productivity.

34.   The Fed pointed out that the labor market is still extremely tight, and that threatens to push up wages and prices.