Non-farm productivity fell 1.9% in the first quarter, according to the preliminary data released by the Bureau of Labor Statistics Wednesday.
Unit labor costs gained 5.0% in the quarter.
Output slipped 0.2%. Hours worked grew 1.7%.
In the fourth quarter, productivity fell 2.1%, while year-over-year productivity was up 0.6%. Unit labor costs rose 4.2% in the fourth quarter of 2014.
Economists polled by Thomson Reuters expected productivity to fall 2.0% and labor costs to grow 4.0%.