The population in country A decrease ,due to a lower birth rate.there is an increase in the cost of fertilizer,which is used to grow vegetables. How the market for vegetables will be affected by these changes.
a)
The graph below shows the effects of the decrease in population on the equilibrium market of vegetables.
A decrease in population leads to a decrease in the number of customers of vegetables. This causes a shift of the demand curve to the left. The equilibrium price of vegetables falls from point P0 to P1 while equilibrium quantity decreases from Q0 to Q1. Hence a fall of the market equilibrium.
b)
The graph below shows the effects of the increase in the cost of fertilizers on the equilibrium market of vegetables.
An increase in the cost of fertilizers increases the cost of production which leads to a decrease in supply. This causes the supply curve to shift to the left. The equilibrium price of vegetables rises from P0 to P1 while equilibrium quantity decreases from Q0 to Q1.
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