B. Eco. Q.98
0. Which of the following is a correct statement
- A
The decrease in input prices causes a left word shift in the supply curve
- B
The desire for a commodity-backed by ability and willingness to pay is demanded.
- C
When income increases demand an essential good increase, more than proportionately.
- D
The demand for a commodity is inversely related to the price of its substitutes.
