shows that these problems do not automatically imply that sector specific regulation is warranted. The same hold for the … question of regulated mobile number portability. Instead, an ex post introduction of sector specific regulation can be regarded … specific regulation of mobile telephone markets. The social welfare loss that would arise from such regulations are estimated …

shows that these problems do not automatically imply that sector specific regulation is warranted. The same hold for the … specific regulation of mobile telephone markets. The social welfare loss that would arise from such regulations are estimated …