OECD Compendium of Productivity Indicators 2015 - Unions are often faced with arguments around productivity, this OECD publication might be of interest

OECD Compendium of Productivity Indicators 2015 The OECD Compendium of Productivity Indicators 2015 presents a comprehensive overview of recent and longer term trends in productivity levels and growth in OECD countries. Read and Share Download (for institutions with a subscription to OECD iLibrary) Buy the PDF file or the Book+PDF Advice from OECD bulletin/media