The U.S. producer price index for the employment services slipped slightly in January to a reading of 125.4 from 125.5 in December, the U.S. Bureau of Labor Statistics reported today. The index also fell 0.1 percent from January 2011.

Employment services is just one industry tracked in the producer price indexes. Producer price indexes measure changes in price over time from the perspective of the seller. Data for producer price indexes come from a sample of selling prices as reported by companies.

The employment services industry includes employment placement agencies, temporary help services, executive search services and professional employer organizations.