Macro Economics For downloading this contact- bikashkumar.bk100@gmail.com Prepared by Students of University of Rajshahi Pranto Karmoker (leader) Ariful Islam Monir Hossain Sohag Miah Shammira Parvin

1. E C O N O M I C S

2. Revenue
Revenue is the income that a business
has form its normal business activities,
usually form the sale of goods and
services to customers.

3. Total Revenue(TR)::This is the total receipts of money received
by a firm from the sale of its good or service in a given time Period.
TR = P *
Q
Avarege Revenue (AR)::This is the amount of money
receive, or average, for each good sold.
AR =
TR
Q
----
P * Q
Q
--------- P

4. Marginal Revenue (MR)::
Marginal
cost is the cost of producing one more
unit of output. It is the revenue
received from selling one more unit of
output. It is the extra revenue at the
margin.

5. Relationship between Average
Revenue and Total Revenue(math)

6. Sales
(Q)
Average
Revenue
(AR)
Total
Revenue
(TR)
Marginal
Revenue
(MR)
1 300 300 300
2 280 560 260
3 260 780 220
4 240 960 180
5 220 1100 140
6 200 1200 100
7 180 1260 60
8 160 1280 20
9 140 1260 -20
10 120 1200 -60
Where,
Total Revenue = Price*Sales
Average Revenue = Total
Revenue/Output
Average Revenue = Price

7. Sales
(Q)
Average Revenue
(AR)
Total Revenue
(TR)
Marginal Revenue
(MR)
1 40
2 36
3 32
4 28
5 24
6 120
7 112
8 96
9 72
10 40

8. Relationship Between AR And MR
In Perfect Competition
Perfect competition :: The perfect
competition is a market structure where a
large number of buyers and sellers are
present and all are engaged in the buying
and selling of the homogeneous products at
a single price prevailing in the market.

9. REVENUE
QUANTITY
AR =MR
O
X
Y
Relationship between AR and MR in perfect competition
P

10. Relationship Between AR And MR In Imperfect
Competition
 Imperfect competition is a competitive market situation
where there are many sellers but they are selling heterogeneous
goods as opposed to the perfect competitive market scenario. As
the name suggests competitive markets that are imperfect in
nature.

11. O 1 2 3 4 5 6 7 8 9 10 X
25
20
15
10
5
Y
AR
MR
D
CB
Fig 01 ::AR & MR curve in imperfect competition
QUANTITY
REVENUE

12. Relationship Between Elasticity Of
Demand And Average Revenue
Elasticity ::Measures of the responsiveness of demand and
supply of a good or service to an increase or decrease in its
price.
PRICE of APPLE DEMAND
1 5
2 4
3 3
4 2
5 1

13. 6
5
4
3
2
1
O 1 2 3 4 5 X
Y
price
Demand MR AR
6
5
4
3
2
1
O 1 2 3 4 5 X
Y
price
Demand
a
b
c
fig 01: Demand Curve
Fig 02 : Relationship between DC & AR

14. THANK YOU