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Answer:
As a result of the political unrest in Libya, the supply of oil would fall, As a result the supply curve would shift to the left. This would lead to fall in equilibrium quantity and a rise in price.
The increased demand for oil would shift the demand curve to the right. The equilibrium price and quantity would increase
Taking these two effects together, equilibrium price would rise and there would be an indeterminate effect on equilibrium quantity
Please check the attached image for a graph showing these shifts
b. As a result of the change in supply, supply would increase. This would increase equilibrium quantity and equilibrium price would fall. in addition with the increase in demand for oil, equilibrium quantity would rise and there would be an indeterminate effect on equilibrium quantity
Explanation:
Answer: (b) -3.08
Explanation:
The relationship between the demand(q), price per unit product(p) and the disposable income,yd is given by the expression below;
q= 20ln(7yd-2p).
From the expression above, the marginal demand,
∂ q/∂ p is the differential of the equation of relationship between the demand, price and disposable income.
This involves considering the demand,q as the dependent variable and the price per unit product,p as the independent variable and the disposable income,yd is considered constant.
Therefore ,
∂ q/∂ p= (-40)÷(7yd-2p)
By substitution of
yd =$3000÷1000= $3
and p= $4
∂ q/∂ p= (-40)÷((7×$3)-(2×$4))
∂ q/∂ p= -40÷13= 3.08
Please see the attachment for knowledge on how ∂ q/∂ p was obtained.
