GHG emissions from the AIM model areassumed to
come from the energy supplier;therefore,thepriceofGHGisthe
most importantdrivingforceofGHGmitigation.Ontheother
hand resultsfromemissiontradinghassignificant effectsonGHG
mitigation, especiallyinthefreetradescenarios(theCM30T100,
CM30T100C,CM50T100andCM50T100C)becausethehigher
prices ofemissionswillpushproducerstoreduceGHGtolower
levels thanthetargets.