What Are The Major Deference Between Quasi Rent And Economic Rent?

1. Economic rent is the rent earned by the natural resources or free goods. Whereas quasi rent
    is earned by the man made articles.
2. Economic rent is permanent- exists during short and long periods. Whereas the quasi rent
    is a short run phenomena.   
3. Economic rent is a part of the price, whereas the quasi rent cannot entire into the cost of   
    production.
4. Economic rent never go zero whereas the quasi rent can be zero(WHEN PRICE = AVC).
5. Economic rent is over and above the transfer earnings whereas the quasi rent is over and
    above the total variable cost.
6.  Economic rent = actual remuneration of a factor - its transfer earnings. Whereas
     quasi rent = short run total revenue - short-run total variable cost.