The one big question anyone working on productivity issues gets most is: how do you actually measure it? How do we count what we make? And can we capture everything needed to produce products and services? And can economists and statisticians keep up with the rapid changes in today’s modern economy?  To answer these questions, host Bart van Ark is joined by Josh Martin, Head of Productivity at the Office for National Statistics, Rebecca Riley, director of the Economic Statistics Centre of Excellence and Professor of Practice at King’s Business School and Jonathan Haskel, Professor of Economics at Imperial College Business School. Together they discuss productivity measurement from the widget counting days of economist founding father Adam Smith to today’s methods that include the service economy, new technologies, worker well-being and the environment. Productivity Puzzles is sponsored by Capita and brought to you by The Productivity Institute, a research body involving nine academic institutions across the UK, eight Regional Productivity Forums throughout the nation, and a national independent Productivity Commission to advise policy makers at all levels of government.  The Productivity Institute is funded by the Economic and Social Research Council. To find out more, visit: https://esrc.ukri.org/about-us/strategy-and-priorities/productivity/ Find out more about at www.productivity.ac.uk