The Growth of the World Economy. Dale Jorgenson, 2018, Book Chapter, “The World KLEMS Initiative was established at the First World KLEMS Conference, held at Harvard University in August 2010. The purpose of the initiative is to generate industry-level datasets, consisting of outputs and inputs of capital (K) and labor (L), together with inputs of energy (E), materials (M), and services (S). Productivity for each industry is defined as output per unit of all inputs. These datasets provide a new framework for analyzing the sources of economic growth at the industry and aggregate levels for countries around the world. This framework has closed a critical gap in systems of national accounts.Link