Graphical diagnostics for parallel trends for ROE (alternative exporting countries vs Russia). Source: Designed by the authors using Stata 17.

 
 
  Part of: Nguyen DH, Khominich IP (2024) Financial performance of EU-27 fossil fuel companies and their counterparts after imposing energy sanctions on Russia: A comparative analysis. Russian Journal of Economics 10(2): 190-210. https://doi.org/10.32609/j.ruje.10.124364