It's hard to appreciate today just how novel both Mundell's statement of the issues and the way he tried to resolve them were at the time.
Mundell gave novel statements on the issues.
Mundell gave profound statements.
Woman leaving a table at a restaurant.
A man rides the roller coaster alone
A dog jumps, as dogs are wont to do.
A group of people are outside.
It's always free.
People are standing around