Feder‑Sempach, Ewa, and Piotr Szczepocki. “The Bayesian Method in Estimating Polish and German Industry Betas. A Comparative Analysis of the Risk Between the Main Economic Sectors from 2001–2020”. Comparative Economic Research. Central and Eastern Europe, vol. 25, no. 2, June 2022, pp. 45-60, doi:10.18778/1508-2008.25.12.