https://www.ons.gov.uk/economy/economicoutputandproductivity/productivitymeasures/adhocs/009486multifactorproductivitylabourandcapitalincomeestimatesformarketsector
Multi-Factor Productivity: labour and capital income estimates for market sector - Office for...
https://www.open.edu/openlearn/mod/oucontent/view.php?id=89137&extra=longdesc_id70
(Description) Figure 16 Income inequality arises because labour and capital are compensated...