I. S. Bogatyrev
Research and Design Institute ‘Spetsrestavratsiya’ (St. Petersburg, Russia)
Russian Federation

Head of the design team of the St. Petersburg Research and Design Institute ‘Spetsrestavratsiya’ (St. Petersburg, Russia). 

Research interests: study and analysis of restoration and construction processes and methods used at cultural heritage sites, assessment of their effectiveness. 

A. N. Tsatsulin
North-West Institute of Management of the Russian Academy of National Economy and Public Administration under the President of the Russian Federation (St. Petersburg, Russia)
Russian Federation

Doctor of economic sciences, professor, professor of the Department of Management of the North-West Institute of Management, Russian Academy of National Economy and Public Administration under the President of the Russian Federation (St. Petersburg, Russia). 

Research interests: pricing mechanisms, analysis of the economic activities of companies in the real sector of the economy.