(i) Rent is earned by the free gifts of nature such as land. But Quasi-rent is the excess income earned by the man-made factors.
(ii) Rent is earned both in short-run and long run. While Quasi-rent occurs only in short-run because, in the long run, man-made factors have their perfectly elastic supply.
(iii) Rent is permanent earning while Quasi-rent is transitory. In other words. Quasirent is not a cost in a short period.
(iv) Rent is never zero. But Quasi-rent becomes zero when the price is equal to average variable costs.
(v) Rent is the difference between total earnings and total costs. But Quasi-rent is the difference between total earnings and variable costs.
