TY JOUR TI 5G Monetization for B2B: Private Networks, SLAs, and Cost of Guarantees KW 5G KW B2B KW private networks (NPN) KW service level agreement (SLA) KW price for guarantees KW URLLC KW eMBB KW mMTC KW MEC KW network slicing KW NaaS KW ROI JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Titkov, V.E. PY 2025 IS 0 PB ITBO University