Every airport in Australia is a monopoly. Every airport in Australia acts like a monopoly – charges prices to its users as it thinks fit and provides a service to its users that suits its objectives to increase the wealth of its shareholders.

That is what monopolists do. And three successive Australian Competition and Consumer Commission chairmen – Allan Fels, Graeme Samuel and Rod Sims – have had to deal with these monopolies with no capacity to constrain their monopolistic behaviour.