📚 Learning Guide
Demand and Supply Basics
hard

Which of the following statements correctly describe the relationship between demand and supply in a market economy? (Select all that apply)

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Choose the Best Answer

A

An increase in supply typically leads to a decrease in equilibrium price.

B

Higher demand causes the supply curve to shift to the right.

C

The law of demand indicates that as prices increase, quantity demanded decreases.

D

An increase in demand generally results in a higher equilibrium price.

E

An increase in supply will always lead to an increase in quantity demanded.

Understanding the Answer

Let's break down why this is correct

Answer

When the price of a good is high, buyers want less of it, so quantity demanded falls, while sellers are willing to sell more, raising quantity supplied; this causes the price to drop until demand equals supply. If the price is too low, buyers want more but sellers supply less, pushing the price up until the two quantities match. The point where quantity demanded equals quantity supplied is called the equilibrium price, and it is reached because prices adjust in response to shortages or surpluses. For example, if a new smartphone is priced too low, many people will buy it, creating a shortage that pushes the price up until the market clears. Thus, price changes always move the market toward equilibrium where demand equals supply.

Detailed Explanation

When supply rises, sellers have more goods, so the price falls. Other options are incorrect because The mistake is thinking demand moves the supply curve; The error is believing supply always boosts quantity demanded.

Key Concepts

Demand and Supply
Market Equilibrium
Price Elasticity
Topic

Demand and Supply Basics

Difficulty

hard level question

Cognitive Level

understand

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