According to the graph, if the country is producing 300 kg of food per month, it will not be able to produce any sunscreen. In order to produce 50 litres of sunscreen, it will have to give up 100 kg of food production.
b) If the country produces 150kg of food, it will have to produce 75 kg litres sunscreen in order to achieve efficiency.
c) If the country wants to produce one additional kg of food, it will have to give up 0.5 litres of sunscreen.
d) If the country wants to produce one additional litre of sunscreen, it will have to give up 2kg of sunscreen.
e) The relationship between c and d is that for every 1kg of additional food being produced, the country will have to give up 0.5 litres of sunscreen.
f) The opportunity cost for food remains constant for all levels of production. This is proved from the straight line that had been drawn in relationship between the two variables.
Question 2
a)
As the price of orange juice decreases, the quantity demamded increases.
If the wage rate is increased, the quantity of work done by the workers remains constant because of the limitations of humans.
b) Characteristics of monopoly firm:
They do not innovate their product.
The prices remain high.
Employees are paid low wages.
Customer service is not up to proper standards.
c) Characteristics of monopolistic competition:
Relatively large number of sellers.
Differentiated products.
Low prices.
Small market share of each competitor.
Question 3
dQ/Q ÷ dP/P
(3-2)/2 ÷ (1.2 - 1.4)/1.4
0.5 ÷ -0.1428
-3.5
Percentage change in demand / Percentage change in price
(0.9 + 0.85)/ (2+3) x (3-2)/ (0.85-0.9)
1.75 + 5 x -0.05
1.75%
Since a decrease in prices lead to an increase in quantity demanded, the products are complementary products.
dQ/Q ÷ dP/P
(2-3)/3 ÷ (1.2 - 1.2)/1.2
-0.33 ÷ 0
0
The good is a complementary product because its demand is changing without a change n price. This means that the demand is dependant on some other variable.
Question 4
Price
Quantity
Total
Revenue
Marginal
Revenue
Total
Fixed
Cost
Total
Variable
Cost
Total
Cost
Marginal
Cost
Average
Total
Cost
Profit
9
0
0
300
0
300
33.33
-300
400
100
8
50
400
300
100
400
50
0
300
100
7
100
700
300
200
500
71.42
200
200
100
6
150
900
300
300
600
100
300
100
100
5
200
1000
300
400
700
140
300
0
100
4
250
1000
300
500
800
200
200
100
100
3
300
900
300
600
900
300
0
200
100
2
350
700
300
700
1000
500
-300
300
100
1
400
400
300
800
1100
1100
-700
Profit maximization points are Price= 6 and 5, and quantity = 150 and 200
Question 5
Equilibrium rent = $450 / month
Equilibrium quantity = 20 thousand units
At a rent of $600 the quantity of houses rented = 10 thousand units
At a rent of $300 the quantity of houses rented = 30 thousand units
Shortage of houses = 20 thousand units
Maximum price someone is willing to pay = $600/ month
Macroeconomics
Question 1
a) GDP = C + I + G + (Ex - Im)
Where,
C = consumption expenses per household
I = Private Investment (gross)
G = Government spending
Ex = Export
Im = Import
b) Objectives of monetary policy:
Equal distribution of income
Control of money
Maintaining full employment
Equilibrium of balance of payments
Exchange rate stability
Stability of prices
Rapid economic growth
Whenever an economy has stopped growing or is witnessing a negative growth, the best solution is to reduce the interest rate. This is exactly what the Central Bank did in order to increase growth.
The decrease in the interest rate will lead to an increase in borrowings from banks. These borrowings will be spent in the economy that will increase consumption. This will increase the production and hence, the idle capacity will be utilised thus stimulating ...