1. International Trade Union Confederation (ITUC). 2020. Global Rights Index 2929: The World’s Worst Countries for Workers, www.ituc-csi.org/ituc-global-rights-index-2020.
2. Integrating Quantitative and Qualitative Tools to Monitor the Obligation to Fulfil Economic, Social and Cultural Rights: the OPERA Framework
3. Economist. 2017a. “Data is Giving Rise to a New Economy.” The Economist, May 6, 2017 www.economist.com/briefing/2017/05/06/data-is-giving-rise-to-a-new-economy.
4. Homogeneous Middles vs. Heterogeneous Tails, and the End of the ‘Inverted-U’: It's All About the Share of the Rich
5. Committee on Economic, Social and Cultural Rights (CESCR). 2011. Concluding Observation on the Second Periodic Report of Estonia. UN Doc. E/C.12/EST/CO/2. December 16.