Final answer:
If books are priced at $20, the resulting situation of a surplus or shortage depends on whether this price is above or below the equilibrium price. A surplus occurs if the price is higher than equilibrium, leading to excess supply. A shortage occurs if the price is lower than equilibrium, leading to excess demand.
Step-by-step explanation:
If the price of books is set at $20, we need to determine whether this price results in a surplus or a shortage.
To make this assessment, we must refer to the concepts of supply and demand and the equilibrium price.
Equilibrium price is when the quantity of books demanded by buyers equals the quantity of books suppliers are willing to sell, with no leftover excess or unmet demand.
In the case where the price is $20, without specific data on supply and demand schedules, we can reference economic principles to predict the market outcome.
Generally, if $20 is above the equilibrium price, suppliers are willing to produce and sell more books than buyers are willing to purchase at that price, leading to a surplus.
Conversely, if $20 is below the equilibrium price, there would be more buyers willing to purchase books than there are books available, resulting in a shortage.
Surplus occurs when the actual price is higher than the equilibrium price, leading to a greater quantity supplied than demanded.
Shortage occurs when the actual price is lower than equilibrium, resulting in a greater quantity demanded than supplied.
The magnitude of the surplus or shortage would depend on how far the price is from the equilibrium and the responsiveness of supply and demand to price changes.