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Same Handsome guy , Ejercicios de Administración de Empresas

Asignatura: Principios de economía., Profesor: gerardo Jacobs, Carrera: Administración y Dirección de Empresas, Universidad: UC3M

Tipo: Ejercicios

2017/2018

Subido el 19/06/2018

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Public intervention in
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Mankiw chapter 8
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Public intervention in

markets: effects on welfare

Mankiw chapter 8

Same Handsome

guy!

Gerardo Jacobs

Is the Market

Allocation

desirable?

The Equilibrium Price and

Quantity

Supply

Demand

Equilibriu
m

Quantit

10

5

0

15

15

Price (€)

10

10

5

10

7

price ceiling

(above equilibrium price)

Price

(^0) Initial quantity Quantity

Supply
Demand

Initial price

Pmax No effect

Producer surplus

Consumer surplus

10

Effects of a price ceiling

◆ If the price ceiling is above the equilibrium

price, it has no effect.

◆ A price ceiling below the equilibrium price:

◆ Produces a reduction of the producer surplus.
◆ Has an ambiguous effect on the consumer
surplus

Reduces the total surplus

◆ It can generate rationing (and a strong

incentive to illegal activities).

Effects of a minimum price

(exercise)

◆ If the price floor is below the equilibrium

price, it has no effect

◆ A price floor above the equilibrium price :

◆ Reduces the consumer surplus.
◆ Has an ambiguous effect of the producer surplus.

Reduces the total surplus.

◆ It can generate an excess of supply.

14

A tax on producers...

Price

(^0) Quantity Quantity without tax

Supply
Demand

Price without tax

Buyers´ Price

Quantity with tax

Tax

Sellers´ Price

Market price

17

Why me??!!!

In general...

Price

(^0) Quantity Quantity before tax

Supply
Demand

Price before

tax

Buyers´ price

Quantity after tax

Tax

Sellers´ price

Effects of a tax on quantity and

prices

◆ A tax creates a gap between the price paid by buyers
and the price received by sellers.
◆ If the tax is on sellers or buyers makes only one
difference: the market price
◆ One consequence of the price gap is that the
quantity sold is smaller than the quantity that would
have been sold without the tax.
◆ The size of the market for this good is smaller.