It had been Rhodan who once ruined their profitable monopoly in the galactic medical business.
So profitable and powerful a monopoly, however efficiently administered, could not last for long.
American lawyers have a profitable monopoly on dispensing advice about probate law (which has been heavily criticized).
Contractors in each of these trades, the authorities say, formed secret and profitable monopolies known as "clubs," with the Mafia's blessings.
These operations included an immensely profitable monopoly on window replacement in the New York City metropolitan area.
The prolongation of copyright term is commonly attributed to effective corporate lobbying, based on a desire for the continuance of a profitable monopoly.
There's no great conspiracy to keep "foreign" films off the screens, its just the way capitalism works - It's very good a creating profitable monopolies.
The limit simply means that after a period of profitable monopoly, the normal rules of free competition would apply, he said.
But even economists aren't naive enough to believe that the states will abandon a vastly profitable - and popular - monopoly in the name of civic virtue.
Other technology companies introduce services they expect to become profitable monopolies.