final report on regulating operators with significant market power this study has been prepared by eto behalf of ectra for the commission european union given its approval to be delivered nevertheless individual members do not necessarily endorse all findings and proposals contained herein work order n 48370 date 15 april 1998 author laura pontiggia table contents executive summary 5 chapter 1 presentation 9 2 backgrounds national situations 11 introduction definitions enjoying 12 conditions imposed 16 3 specific former monopolists 19 survey 21 criteria determining relevant 22 application whether an operator smp 24 reference interconnection offer 26 4 charges 27 agreements 29 6 accounting separation systems suitable implement provisions 30 comparative analysis conclusions 35 definition 36