Demand and the law of demand
Answers are for parents and teachers.
1
If 200 exercise books are bought at 5 000 so‘m, 260 at 4 000 so‘m and 330 at 3 000 so‘m, draw the demand curve for these three prices in your notebook and check that it slopes down to the right.
Points: (200; 5 000), (260; 4 000), (330; 3 000); the line falls from left to right.
2
At a price of 4 000 so‘m the quantity demanded is 260. What is the total purchase amount in so‘m?
1040000
3
By how many did the quantity demanded rise when the price fell from 5 000 to 3 000 so‘m? (from 200 to 330)
130
4
Write one example of the substitution effect from your family’s life.
Sample: if patir (rich flatbread) gets dearer, the family buys cheaper ordinary bread instead.
5
“I want a new phone very much but I have no money,” says a pupil. Does he or she have demand for the phone? Explain.
No; in the economic sense demand needs the ability to pay as well as the wish.