TY JOUR TI A MODEL FOR COMPARING OF GROSS DOMESTIC PRODUCT LOSSES IN DEATHS AND INJURIES OF TOURISTS DURING EXTREME HIKES KW harm KW gross domestic product KW death KW costs KW average dynamics method KW accident KW loss KW risk KW injury KW tourist KW damage KW extreme recreation KW extreme tourism JO Problems of risk management in the technosphere AU Kuvatov, V.I. AU Zavodskov, G.N. AU Vorontsov, S.V. PY 2025 IS 2025 PB Saint-Petersburg University of State Fire Service of Emercom of Russia