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Variant 2. Theme: Elasticity


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Task 1 Problem of Elasticity

Variant 2. Theme: Elasticity


  1. The table shows quantity demanded at different price level.

Price ($) P

Quantity demanded
(units) Qd

Total Revenue ($)

Price elasticity coefficient

1,20

45




------------------

1,40

40







1,60

35







1,80

30







2,00

25







2,20

20







2,40

15






Questions:



  1. Calculate TR for each price and fill in the table;

  2. Calculate price elasticity coefficient for each price;

  3. Compare coefficient and TR.



  1. When the price of a CD is $ 34 per CD, 15,000 000 CDs per year are supplied. When the price is $ 27 per CD, 10,000 000 CDs per year are supplied. What is the elasticity of supply for CDs.




  1. A fall in the price of X from $14 to $ 9 causes an increases in the quantity of Y demanded from 840 to 1 000 units. What is the cross elasticity of demand between X and Y.




  1. A 20 percent increase in the quantity of spinach demanded results from a 34 percent decline in its price. The price elasticity of demand for spinach is _____________.

Variant 3. Theme: Elasticity


  1. The table shows quantity demanded at different price level.

Price ($) P

Quantity demanded
(units) Qd

Total Revenue ($)

Price elasticity coefficient

5,60

18




------------------

5,10

23







4,60

28







4,10

33







3,60

38







3,10

43







2,60

48






Questions:



  1. Calculate TR for each price and fill in the table;

  2. Calculate price elasticity coefficient for each price;

  3. Compare coefficient and TR.



  1. When the price of a CD is $ 10 per CD, 18,000 000 CDs per year are supplied. When the price is $ 15 per CD, 36,000 000 CDs per year are supplied. What is the elasticity of supply for CDs.




  1. A fall in the price of X from $16 to $ 11 causes an increases in the quantity of Y demanded from 570 to 980 units. What is the cross elasticity of demand between X and Y.




  1. A 20 percent increase in the quantity of spinach demanded results from a 4 percent decline in its price. The price elasticity of demand for spinach is _____________.

Variant 4. Theme: Elasticity


  1. The table shows quantity demanded at different price level.

Price ($) P

Quantity demanded
(units) Qd

Total Revenue ($)

Price elasticity coefficient

2,10

30




------------------

2,25

27







2,40

24







2,55

21







2,70

18







2,85

15







3,00

12






Questions:



  1. Calculate TR for each price and fill in the table;

  2. Calculate price elasticity coefficient for each price;

  3. Compare coefficient and TR.



  1. When the price of a CD is $ 10 per CD, 28,000 000 CDs per year are supplied. When the price is $ 12 per CD, 33,000 000 CDs per year are supplied. What is the elasticity of supply for CDs.




  1. A fall in the price of X from $10 to $ 5 causes an increases in the quantity of Y demanded from 790 to 1 200 units. What is the cross elasticity of demand between X and Y.




  1. A 16 percent increase in the quantity of spinach demanded results from a 30 percent decline in its price. The price elasticity of demand for spinach is _____________.


Variant 5. Theme: Elasticity


  1. The table shows quantity demanded at different price level.

Price ($) P

Quantity demanded
(units) Qd

Total Revenue ($)

Price elasticity coefficient

6,10

14




------------------

5,80

18







5,50

22







5,20

26







4,90

30







4,60

34







4,30

38






Questions:



  1. Calculate TR for each price and fill in the table;

  2. Calculate price elasticity coefficient for each price;

  3. Compare coefficient and TR.



  1. When the price of a CD is $ 11 per CD, 24,000 000 CDs per year are supplied. When the price is $ 16 per CD, 37,000 000 CDs per year are supplied. What is the elasticity of supply for CDs.




  1. A fall in the price of X from $14 to $ 8 causes an increases in the quantity of Y demanded from 990 to 1 340 units. What is the cross elasticity of demand between X and Y.




  1. A 18 percent increase in the quantity of spinach demanded results from a 6 percent decline in its price. The price elasticity of demand for spinach is _____________.


Variant 6. Theme: Elasticity


  1. The table shows quantity demanded at different price level.

Price ($) P

Quantity demanded
(units) Qd

Total Revenue ($)

Price elasticity coefficient

0,90

38




------------------

1,50

34







2,10

30







2,70

26







3,30

22







3,90

18







4,50

14






Questions:



  1. Calculate TR for each price and fill in the table;

  2. Calculate price elasticity coefficient for each price;

  3. Compare coefficient and TR.



  1. When the price of a CD is $ 21 per CD, 19,000 000 CDs per year are supplied. When the price is $ 15 per CD, 8,000 000 CDs per year are supplied. What is the elasticity of supply for CDs.




  1. A fall in the price of X from $9 to $ 5 causes an increases in the quantity of Y demanded from 830 to 1 250 units. What is the cross elasticity of demand between X and Y.




  1. A 5 percent increase in the quantity of spinach demanded results from a 12 percent decline in its price. The price elasticity of demand for spinach is _____________.


Variant 7. Theme: Elasticity


  1. The table shows quantity demanded at different price level.

Price ($) P

Quantity demanded
(units) Qd

Total Revenue ($)

Price elasticity coefficient

0,50

70




------------------

0,70

60







0,90

50







1,10

40







1,30

30







1,50

20







1,70

10






Questions:



  1. Calculate TR for each price and fill in the table;

  2. Calculate price elasticity coefficient for each price;

  3. Compare coefficient and TR.



  1. When the price of a CD is $ 17 per CD, 40,000 000 CDs per year are supplied. When the price is $ 14 per CD, 36,000 000 CDs per year are supplied. What is the elasticity of supply for CDs.




  1. A fall in the price of X from $14 to $ 7 causes an increases in the quantity of Y demanded from 730 to 990 units. What is the cross elasticity of demand between X and Y.




  1. A 12 percent increase in the quantity of spinach demanded results from a 9 percent decline in its price. The price elasticity of demand for spinach is _____________.


Variant 8. Theme: Elasticity


  1. The table shows quantity demanded at different price level.

Price ($) P

Quantity demanded
(units) Qd

Total Revenue ($)

Price elasticity coefficient

2,90

14




------------------

2,50

20







2,10

26







1,70

32







1,30

38







0,90

44







0,50

50






Questions:



  1. Calculate TR for each price and fill in the table;

  2. Calculate price elasticity coefficient for each price;

  3. Compare coefficient and TR.



  1. When the price of a CD is $ 16 per CD, 35,000 000 CDs per year are supplied. When the price is $ 19 per CD, 47,000 000 CDs per year are supplied. What is the elasticity of supply for CDs.




  1. A fall in the price of X from $15 to $ 12 causes an increases in the quantity of Y demanded from 940 to 1 300 units. What is the cross elasticity of demand between X and Y.




  1. A 6 percent increase in the quantity of spinach demanded results from a 15 percent decline in its price. The price elasticity of demand for spinach is _____________.



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