Raudjärv, M. “Loodetav Tulevikuinformatsioon (2019–2022) / Die Zukunftsinformation (2019–2022) / Expected Future Information (2019–2022)”. Estonian Discussions on Economic Policy, Vol. 25, no. 2, Jan. 2018, doi:10.15157/tpep.v25i2.13993.