Scarcity rents.
David Ricardo (1772-1823)
Image courtesy of the Warren J. Samuels Portrait Collection at Duke University.
Alfred Marshall (1842-1924)
Economic rent.
Payments made to a factor that are in excess of what is required to elicit the supply of that factor.
• Greater than the opportunity cost.
Quasirents.
Payments made to a factor that are in excess of what is required to elicit the supply of that factor in the short run.
• Can be bid away in the long run.