St Petersburg University, Saint Petersburg State University, Peter the Great Saint Petersburg Polytechnic University, Saint Petersburg State University, Peter the Great Saint Petersburg Polytechnic University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Peter the Great Saint Petersburg Polytechnic University and Nanjing University of Aeronautics and Astronautics