![PWT 9.1: Release information | GGDC | Groningen Growth and Development Centre | University of Groningen PWT 9.1: Release information | GGDC | Groningen Growth and Development Centre | University of Groningen](https://www.rug.nl/ggdc/blog/pwt-91-release-information-11-07-2018!attachment?c=images/blog-image-normal.jpg)
PWT 9.1: Release information | GGDC | Groningen Growth and Development Centre | University of Groningen
![Stage two controls: country-level mean effective retirement age (M, F )... | Download Scientific Diagram Stage two controls: country-level mean effective retirement age (M, F )... | Download Scientific Diagram](https://www.researchgate.net/profile/Vincent-Vandenberghe/publication/343645521/figure/tbl3/AS:989272056270849@1612872246997/Stage-two-controls-country-level-mean-effective-retirement-age-M-F-and-GDP-per-head.png)
Stage two controls: country-level mean effective retirement age (M, F )... | Download Scientific Diagram
Max Roser on Twitter: "Economic growth at the technological frontier was always relatively slow. See the US in yellow. Catch up growth can be very rapid at times. See all other economies
![ESSD - Continuous national gross domestic product (GDP) time series for 195 countries: past observations (1850–2005) harmonized with future projections according to the Shared Socio-economic Pathways (2006–2100) ESSD - Continuous national gross domestic product (GDP) time series for 195 countries: past observations (1850–2005) harmonized with future projections according to the Shared Socio-economic Pathways (2006–2100)](https://essd.copernicus.org/articles/10/847/2018/essd-10-847-2018-f02-web.png)
ESSD - Continuous national gross domestic product (GDP) time series for 195 countries: past observations (1850–2005) harmonized with future projections according to the Shared Socio-economic Pathways (2006–2100)
0 2 4 6 8 1998-2002 2003-07 2008-12 2013-17 2018-27 1998-2002 2003-07 2008-12 2013-17 World AEs Potential growth Actual growth 1
![Forecast of human capital. Sources: Data on workers are from Penn World... | Download Scientific Diagram Forecast of human capital. Sources: Data on workers are from Penn World... | Download Scientific Diagram](https://www.researchgate.net/publication/326027931/figure/fig1/AS:642324430352384@1530153486252/Forecast-of-human-capital-Sources-Data-on-workers-are-from-Penn-World-Table-version_Q640.jpg)