LTE entry prices are on average twice as high in Europe as in other regions of the world. In Asia and the USA, LTE operators have better aligned LTE prices with those for 3G services and are using tiered pricing models that combine 3G and 4G technology across all tiers in order to promote LTE take-up. Sales figures published by NTT DOCOMO suggest that 3G-level pricing and LTE-compatible devices are the strongest drivers of LTE adoption.
Analytics: LTE' case studies of NTT Docomo and Verizon Wireless
"LTE pricing strategies for consumer handsets: case studies of NTT DOCOMO and Verizon Wireless" - new report from Analysys Mason, US$2499 (.pdf by email, single user license):