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Notes
1. The Global Collaboratory on the History of Labour Relations is based at the International Institute of Social History, Amsterdam, and financed by the Gerda Henkel Stiftung (Düsseldorf), the Netherlands Organisation for Scientific Research (NWO), and the International Institute of Social History. See https://collab.iisg.nl/web/LabourRelations/, accessed 20 May 2016.
2. For the data, please refer to https://collab.iisg.nl/web/labourrelations/results, as retrieved on 20 May 2016. For Africa a sixth cross-section for 1950 has been included in the data-mining programme.
3. For the full programme see: https://collab.iisg.nl/c/document_library/get_file?p_l_id=273223&folderId=338337&name=DLFE-202101.pdf.
4. The other factors are: the role of the state, economic institutions, geographic and social mobility.
5 These minimum and maximum ages are very much culturally determined. The age brackets chosen will always be indicated in the database and explained in the methodological paper.