Perfect Compettition: The Most Efficient Market Structure
By: Sarah Rowden
9''-11''
FIRMS AS PRICE TAKERS
0''-9''
WHAT MAKES PERFECT COMPETITTION PERFECT?
KEY CHARACTERISTICS: - Many buyers & sellers - Homogenous products - Free entry & exit - Perfect information - Price takers
- Firms must sell at market price - They can sell any quantity at that price - Raising prince --> lose all buyers
*In perfect compettion, no single firm can influence the market price*
*Each firm faces a perfectly elastic demand curve- it must accept the market price*
14''-18''
SHORT-RUN PROFITS & REAL WORLD EXAMPLES
11''-14''
HOW FIRMS MAXIMIZE PROFIT
Firms produce the quantity where: Marginal Cost (MC) = Marginal Revenue (MR). This point maximizes profit or minimizes loss
In the short-run, some firms earn profits when prices rise above average costs. These profits attract new sellers to the market.... ....until competittion drives prices back down to normal levels, restoring equillibrium
Buyers Sellers
*At equillibrium output, the firm earns maximum profit*
*Perfect compettion naturally balances markets. Short-run profits encourage new entry, but in the long run, efficiancy & fair prices prevail*
Buyers Sellers
Sarah Rowden
Created on October 17, 2025
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Transcript
Perfect Compettition: The Most Efficient Market Structure
By: Sarah Rowden
9''-11''
FIRMS AS PRICE TAKERS
0''-9''
WHAT MAKES PERFECT COMPETITTION PERFECT?
KEY CHARACTERISTICS: - Many buyers & sellers - Homogenous products - Free entry & exit - Perfect information - Price takers
- Firms must sell at market price - They can sell any quantity at that price - Raising prince --> lose all buyers
*In perfect compettion, no single firm can influence the market price*
*Each firm faces a perfectly elastic demand curve- it must accept the market price*
14''-18''
SHORT-RUN PROFITS & REAL WORLD EXAMPLES
11''-14''
HOW FIRMS MAXIMIZE PROFIT
Firms produce the quantity where: Marginal Cost (MC) = Marginal Revenue (MR). This point maximizes profit or minimizes loss
In the short-run, some firms earn profits when prices rise above average costs. These profits attract new sellers to the market.... ....until competittion drives prices back down to normal levels, restoring equillibrium
Buyers Sellers
*At equillibrium output, the firm earns maximum profit*
*Perfect compettion naturally balances markets. Short-run profits encourage new entry, but in the long run, efficiancy & fair prices prevail*