The existence of non-competitive market structures has unfavorable consequences for economic efficiency, and thus social welfare.Contemporary economic analysis identifies different effects of non-competitive market structures.Non-competitive market structures GRINDERS have significant consequences on production efficiency, i.e.
factor productivity, and in this way social welfare.Good anti-monopoly policy has to be well Lacrosse - Sticks - Heads balanced and flexible, in order to minimize the negative effects of non-competitive market structures.