Big oil, like any industry, is entitled to market rates of return, not monopoly rents.

Both the government agents and self-interested market participants seek these privileges in order to partake in the resulting monopoly rent.

You can take advantage of your customers for a certain amount of time to extract what economists called monopoly rents, but eventually it catches up with you.

In essence, baseball teams are able to reap what are called monopoly rents because they face little or no competition for the local fan's dollar.

More than 200 years ago, Adam Smith explained that all business firms will seek to earn monopoly rents if they can.

The investment bank is unlikely to be able to squeeze monopoly rent from a relationship.

Since that decision, some utility companies have sharply raised their pole-attachment rates, charging what government officials say is the equivalent of monopoly rents.

The outcome of such competition may be that one firm emerges as the 'winner', able to dominate the market and earn monopoly rents (Gilbert and Newbury, 1982).

Just corporate interest ensuring monopoly rents.

So the scalper's cut is not a monopoly rent, but a fair price for a service efficiently rendered.