TY JOUR TI Analysis and use of benchmarking to strengthen the competitive position of the St. Petersburg hotel sector in a changing market KW benchmarking KW hotel sector KW competitiveness KW competitive positions KW inflation KW operational indicators KW strategic management KW hotel services JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Bul'zov, S.E. AU Podolyanec, L.A. PY 2025 IS 0 PB ITBO University