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1) Suppose the supply and demand equations are as follows: MC = P = 2.5 + 2.4 Q

ID: 1110535 • Letter: 1

Question

1) Suppose the supply and demand equations are as follows:

MC = P = 2.5 + 2.4 Q

WTP = P = 8.5 - 2.3 Q

If there is a tax of 3 on demand. By how much will the equilibrium price change? If it rises, enter the change as a positive number. If it falls, enter the change as a negative number.

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Question 21 pts

Suppose the supply and demand equations are as follows:

MC = P = 1.7 + 1.1 Q

WTP = P = 8.3 - 2.3 Q

If there is a tax of 2 on supply. By how much will the equilibrium price change? If it rises, enter the change as a positive number. If it falls, enter the change as a negative number.

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Question 31 pts

Suppose the supply and demand equations are as follows:

MC = P = 1.7 + 2 Q

WTP = P = 8.5 - 2.3 Q

If there is a tax of 3. By how much will the equilibrium quantity change? If it rises, enter the change as a positive number. If it falls, enter the change as a negative number.

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Question 41 pts

Suppose the supply and demand equations are as follows:

MC = P = 1.4 + 1.8 Q

WTP = P = 9.2 - 2.4 Q

If there is a tax of 3, what is the change in how much buyer pay for the good? If it rises, enter the change as a positive number. If it falls, enter the change as a negative number.

Explanation / Answer

1

Inverse demand :

2.3Q = 8.5 – P

Q = 3.69 – 0.43 P

Before tax

2.5+2.4Q = 8.5 – 2.3Q

4.7Q = 6

Q = 1.27

P = 5.548

After tax

New demand will be

Q = 3.69 – 0.43 (P + 3)

Q = 3.69 +1.29 -0.43P

Q = 4.98 -0.43 P

Substitute Q in MC

P = 2.5 +2.4(4.98 -0.43P)

P = 14.202 – 1.032P

2.032P = 14.202

P’ = 14.202/2.032 = 6.989

Price paid by consumer 9.989

Change in price = 9.989-5.548