The labor market is as tight as ever, and employers are pulling out all the stops to get workers in the door by offering signing bonuses and higher pay.

"We have seen no indication that these wage increases will slow down," says Rucha Vankudre, a senior economist at Emsi Burning Glass, a labor market analytics firm. "What else can [employers] do? We'll have to see. They've done the things we've expected them to do at increasing rates, but what's next?"