This paper examines the market structure and performance of the four major products that constitute the digital communications sector–wireless, broadband Internet access service (BIAS), multichannel video programming service (MVPD) and business data services (BDS). The first three are sold directly to consumers, the fourth is an intermediate good, vital to the delivery of the other three digital communications services, but also a key input to all goods and services sold by non-communications firms to the public. Taken together these four services constitute a huge market equal to about half a trillion dollars today, or almost three percent of the gross national product.


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