6Although this view is named after the 19th century economist David Ricardo who first explored the possible relationship, the seminal work on this theory is Robert Barro, Are Government Bonds Net Wealth?
David Ricardo was a 19th century economist.
David Ricardo was a 17th century economist.
A boy in the class room.
Three people and a camera crew stand outside a door.
The sirens mean to go to the beach.
Why can't we do this?
A girl makes tracks in the snow
The journal is about hospitals.