Fedyunina А. А., Gorodnyi Н. А. ., Simachev Ю. В., and Drapkin И. М. ., “How Has the COVID-19 Pandemic Accelerated E-Commerce in Russia: Evidence from Firm-Level Data with Spatial Factors”, Econ Reg, vol. 18, no. 4, pp. 988–1002, Dec. 2022.