"It turns back the clock, restricts competition, and protects special interests," he said.

"This complex monopoly restricts competition at all levels, against the public interest," he said.

Critics contend that the system restricts competition and keeps fares too high.

It is in the interests of particular groups of buyers and sellers to restrict competition between themselves.

This behaviour may restrict competition for food from other nestlings.

To go back to that, we'd have to restrict competition, which we believe would be bad for the game.

The legal profession has long acted as a guild, restricting competition in the name of maintaining standards.

We will lose the balance between different models and restrict competition between systems.

What it so significant is that this is the only way to restrict competition about standards and the abuse of aid.

Far from restricting competition, my thinking was that competition would increase.