U.S. first quarter productivity strongest since 2014, labour costs subdued

U.S. worker productivity increased at its fastest pace in more than four years in the first quarter, depressing labour costs and suggesting inflation could remain benign for a while.The report from the Labour Department on Thursday came on the heels of data this week showing moderate wage growth in the first quarter and a key inflation measure posting its smallest annual gain in 14 months in March.The Federal Reserve on Wednesday held interest rates steady and signalled little desire to adjust m