TY JOUR TI TIER-1 Platform Strategies: Coinnovations, Risks, and Contract Structure KW Tier-1 KW platform strategy KW coinnovation KW OEM KW PLM KW JDA KW SOW KW OTA KW SLA KW SLO KW NRE KW licensing KW take-or-pay KW volume options KW gain-share/pain-share KW IP KW source code escrow KW cybersecurity JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Khveshchuk, A.A. PY 2025 IS 0 PB ITBO University