Cars are so rare that children wave excitedly as you drive by, and chickens fearlessly block your path.

ECONOMIST: No title

Passenger traffic is rare on the CPR these days, so rare that farmers and even trackmaintenance workers wave and cheer like the Railway Children as we pass.

BBC: The wonders of Canada by rail

Hospitals have local oligopolies or even monopolies, especially after a recent wave of consolidation, so price competition is rare.

ECONOMIST: Health insurance: Clear diagnosis, uncertain remedy | The