: analysis and antitrust implications. Free Press, New York Witt U (1997) "L'Lock-in" VS. "Critical masses" - Industrial change under network effects". Int J Ind Organ 15:753-773 Yang C-H, Huang C-H (2005) R&D, size and firm growth in Taiwan's electronics industry. Small Bus Econ 25:477-487 Xinhua (2008) China Netcom, China Unicom merger completed, biggest in country's history. Xinhua Oct. 15, 2008. Accessed on Nov. 12, 2008 at http://news.xinhuanet.com/english/2008- 10/15/content_10200183.htm Yasuda T (2005) Firm growth, size, age and behaviour in Japanese manufacturing. Small Bus Econ 24:1-15 Index Customer relationship management Adoption processes, 38 process, 19 and transition phase, 26, 87 All-IP, 69, 125, 126, 142, 143 Average revenue per user (ARPU), 51-53 Delphi method, 6, 117 Dominant design, 27, 29, 31, 85, 129, 130, 132, 139, 143 Billing process group, 37, 39 Broad strategy, 40, 74 Business process, 3, 5, 14, 25-27, 35-37, 56, Element management systems, 36 79, 83, 84, 92, 101, 126, 139-141 Enhanced telecom operations map (eTOM), Business support systems (BSS), 1-7, 22, 3, 5, 36-39, 79, 95, 134, 141 36-42, 47, 51, 55, 61, 65, 67-88, 93-97, Essential GSM patents, 111, 112 101, 103-106, 109, 117-123, 125-133, Essential patents, 110 135, 140-143 Expansion M&A, 86 CDMA 2000, 4, 59, 60 Firm growth, 48-50 Commencing vendors, 106 Fulfilment process group, 95 Commercial off-the-shelf software (COTS), 61 Commoditization, 24 Communication investments, 110 Herfindahl-Hirschman index (HHI index), Communications service provider (CSP), 71, 72, 74, 101, 135 1-5, 35-37, 45, 51-53, 55, 56, 61-71, Horizontal disruptive points, 111, 75-79, 92, 93, 97, 101, 103, 104, 115, 117-122, 126, 128, 129, 131, 142, 143 Horizontal entry M&A, 86 Competing interfaces, 29-31, 85 Horizontalization process, 15 Complexity of software interfaces, 103 Horizontal process groupings, 95 Costs of configuring, 98 Horizontal services, 69, 109 Critical mass, 19, 20, 29, 78, 131 Horizontal structure, 109 Index Minimum number of customers, 99-101 