The OECD Productivity Working Paper Series is published on the responsibility of the Secretary-General of the OECD. OECD Productivity Working Papers should not be reported as representing the official views of the OECD or of its member countries. The opinions expressed and arguments employed are those of the author(s). OECD PRODUCTIVITY WORKING PAPERS The OECD Productivity Working Papers are associated with the Global Forum on Productivity that provides a forum for mutual exchange of information and fosters international cooperation between public bodies with responsibility for promoting productivity-enhancing policies, including in undertaking joint policy analysis. It offers a platform for exchanging views, experiences and information, institutional and governance arrangements and government structures, with a view towards developing better policies. The Forum extends existing work in the OECD through a well-prioritised and coherent stream of analytical work serving the policy research needs of participants on the drivers of productivity growth.