iBT TOEFL Topic Vocabulary Breakthrough Unit 011

iBT TOEFL Topic Vocabulary Breakthrough Unit 011
Author: Li Xiaolai

11. Developments in technology have eroded some of the natural monopoly aspects of traditional public utilities. For instance, electricity generation, electricity retailing, telecommunication and postal services have become competitive in some countries and the trend towards liberalization, deregulation and privatization of public utilities is growing, but the network infrastructure used to distribute most utility products and services has remained largely monopolistic.