TY JOUR TI Alternative approaches to accounting for intangible resources and value KW attention economy KW user time KW intangible assets KW IFRS KW digital economy KW information disclosure KW key performance indicators (KPIs) KW business model of platforms JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Sushko, O.P. AU Rogoza, E.V. PY 2026 IS 0 PB ITBO University