But an increase in investment in 3G and (in time) LTE mobile infrastructure is expected to drive growth and increase service penetration, leading to the higher revenues depicted in Figure 2.2. Aided by increasing gross domestic produce (GDP) per capita, economies such as China, Brazil and India are expected to see increased revenue growth - driven mainly by investment in mobile infrastructure and mobile broadband services. Mobile operators have been making significant investments in LTE networks and offering attractive mobile data services and applications. As a result, revenue growth will come from higher consumer spending.