Value of Number Portability on Internet Phones

Even though Internet phone service (IPS) continues to evolve in terms of quality and competitive pricing compared with the public switched telephone network (PSTN), the number of Internet phone subscribers is still low in South Korea. The Korean government decided to apply number portability to the...

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Bibliographic Details
Published in:ETRI journal 2010, 32(1), , pp.169-171
Main Authors: Ku, Jung Eun, Lee, Sang Woo, Hyun, Tchanghee
Format: Article
Language:English
Subjects:
contingent value
DBDC
Internet phone
WTP
전자/정보통신공학
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Summary:Even though Internet phone service (IPS) continues to evolve in terms of quality and competitive pricing compared with the public switched telephone network (PSTN), the number of Internet phone subscribers is still low in South Korea. The Korean government decided to apply number portability to the IPS market in 2008. This study expresses its value in monetary terms with a contingent valuation approach. With this methodology, this study investigates the willingness of 316 current PSTN subscribers to pay for IPS, using a specific survey method called double‐bounded dichotomous choices, to obtain more accurate data. The results show that the calculated value of Internet phone number portability positively impacts consumer welfare.
ISSN:1225-6463
2233-7326
DOI:10.4218/etrij.10.0209.0356