OCR A-Level Business (H431) H431
Introduction to Business
Business Objectives and Strategy
External Influences
Accounting and Finance
Human Resources
Marketing
Operations Management
External Influences
Equilibrium, shortages and surpluses
- 2 things to know
- Components 01, 02 and 03
Overview
Recall questions on market equilibrium, how the price mechanism clears surpluses, excess demand and shortages, the effect of shifts in demand and supply on equilibrium price and quantity, buffer stock, responses to persistent excess demand, heavy discounting, underpriced concert tickets, and why markets rarely rest at equilibrium.
What you need to know
Answer each one before you reveal it.
Why is a shortage of its own product not necessarily good news for a business?
Questions from this subtopic
Each one with the model answer underneath.
- 1
What is meant by market equilibrium?
Model answer
Equilibrium is the price at which the quantity consumers want to buy exactly equals the quantity producers want to sell, so there is no pressure on price to change.
- 2
How does the price mechanism remove a surplus from a market?
Model answer
Unsold stock builds up, so firms cut the price, which persuades consumers to buy more and producers to offer less until the surplus disappears.
- 3
What is excess demand, and how does it show itself in a shop?
Model answer
Excess demand is a shortage, where buyers want more than is being supplied at the current price, and it shows itself in sold-out shelves, waiting lists and queues.
- 4
What happens to equilibrium price and quantity when demand shifts to the right and supply is unchanged?
Model answer
Both the equilibrium price and the equilibrium quantity rise.
- 5
What happens to equilibrium price and quantity when supply shifts to the right and demand is unchanged?
Model answer
The equilibrium price falls and the equilibrium quantity rises.
- 6
What happens to equilibrium price and quantity when supply shifts to the left and demand is unchanged?
Model answer
The equilibrium price rises and the equilibrium quantity falls.
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