@incollection{IlmakunnasSkirbekkvanOursetal.2021, author = {Pekka Ilmakunnas and Vegard Skirbekk and Jan van Ours and Matthias Weiss}, title = {Ageing and Productivty}, booktitle = {Ageing, Health, and Productivity: The Economics of Increased Life Expectancy}, editor = {Pietro Garibaldi}, year = {2021}, }