The first of these is whether tax competition is legitimate in a common market.
The second is whether governments have a duty to provide a level playing field on tax to domestic and international companies.
The last is what most people are focusing on but the first two are more important: they could shape the whole direction of EU tax policy. If , as economic theory of markets demands, a level playing field for tax must be offered then the EU tax landscape would be transformed, for the better.
The whole system was deliberately set up by Fritz Bolkestein to produce corporate tax competition.