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Economic Evaluation of Number Portability in the UK Mobile Telephony Market

Issued by the Director General of Telecommunications

July 1997


In January 1997 Oftel commissioned a study by Ovum Ltd to assess the economic impact of introducing mobile number portability. The principle objective of the study was to determine whether the introduction of mobile number portability would be in the public interest in that, at a national level, the benefits outweigh the costs.

The study was completed in June 1997. This report explains the methodology of the study and sets out its conclusions.


Contents

1 Management summary

2 Introduction to the study

3 The economic framework

4 Market research on mobile customers

5 The estimation of costs

6 The results of the economic evaluation

7 Charging principles

Glossary

Appendices

The base case (Discussion paper)

Technological Trends in the Mobile market

The switching model (Discussion paper)

Final switching model

Questionnaires

Cost elements

Benefits of greater economic efficiency


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