101 lecture 7 consumers producers efficiency

55
Microeconomics Lecture 7 Consumers, Producers, and the Efficiency of Markets

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consumers producers efficiency

Transcript of 101 lecture 7 consumers producers efficiency

Page 1: 101 lecture 7 consumers producers efficiency

Microeconomics Lecture 7

!

Consumers, Producers, and the Efficiency of Markets

Page 2: 101 lecture 7 consumers producers efficiency

1. What is the equilibrium price before the tax?

2. What is the equilibrium quantity?

3. If the tax is 40 SAR, what will be the new price?

4. If the tax is 40 SAR, how many pizza would be sold?

5. What will be the total revenue with the new tax?

6. How much tax will the seller pay?

7. How much tax will the buyer pay?

8. How much will the total tax be?

9. How much did the seller earn after paying the tax?

10. Why isn’t the new price 90?

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Microeconomics Lecture 7

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Consumers, Producers, and the Efficiency of Markets

Page 14: 101 lecture 7 consumers producers efficiency

Economic Surplus !

Consumer - Buyer !

Producer - Seller

Page 15: 101 lecture 7 consumers producers efficiency

Value Versus Price

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Sellers value less than price

Buyers value more than price

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Surplus Value is equal to

the difference between

value and price

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Economic Surplus is equal to

seller surplus value plus

buyer surplus

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BuyersRiyadh Pizza Market

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Buyers

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Riyadh Pizza Market

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SellersRiyadh Pizza Market

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Sellers

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Page 52: 101 lecture 7 consumers producers efficiency

Always Two Values in a trade

Page 53: 101 lecture 7 consumers producers efficiency

Always Two Values in a trade

Difference between what I am willing to pay for and the price

Difference between what I am willing to sell for and the price

Page 54: 101 lecture 7 consumers producers efficiency

How many firms does it take for competition?

Page 55: 101 lecture 7 consumers producers efficiency

How many firms does it take for competition?

Only One

As long as they can enter the market