NOTES

Source: University of Groningen

Source: University of California, Davis

Release: Penn World Table 9.1

Units: Hours, Not Seasonally Adjusted

Frequency: Annual

Notes:

Source ID: avh



When using these data in your research, please make the following reference: Feenstra, Robert C., Robert Inklaar and Marcel P. Timmer (2015), "The Next Generation of the Penn World Table" American Economic Review, 105(10), 3150-3182, available for download at www.ggdc.net/pwt



For more information, see http://www.rug.nl/research/ggdc/data/pwt/.