1. With regard to fixed line telephone service, PLDT/Smart controls 67 percent of the market while Globe has 33 percent market share. For prepaid mobile telephone service, PLDT/Smart controls 54.8 percent of the market while Globe and other players have 44.7 percent and 0.5 percent market share, respectively. For postpaid mobile telephone service, PLDT/Smart has 55.2 percent market share while Globe's market share is 44.8percent. For fixed broadband service, PLDT/Smart controls 51.6 percent of the market, Globe has 43.9 percent market share;' Galla;market-share data illustrates this point, reporting on the market shares of PLDT,2016
2. Technological Convergence and Competition: The Telecommunications Industry;J Abrenica;Studies in Governance and Regulation: Philippines. Tokyo: Institute of Developing Economies/Japan External Trade Organization,1999
3. A Note on the Regulatory Environment in the Telecommunications Industry;J Abrenica;CayetanoPaderanga,2000