This topic contains a solution. Click here to go to the answer

Author Question: There are four lighthouses on the island of Sand. If this is the efficient quantity of lighthouses, ... (Read 52 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
There are four lighthouses on the island of Sand. If this is the efficient quantity of lighthouses, ________.
 
  A) the marginal social benefit of the fourth lighthouse equals its marginal social cost
  B) total social benefit is zero
  C) marginal social benefit minus marginal social cost is a maximum
  D) Both answers A and C are correct.

Question 2

Lizzie's budget line is shown in the figure above. If Lizzie's income is 20, which of the following formulas represents her budget equation?
 
  A) QC = 20 + QM
  B) QC = 20 - QM
  C) QC = -20 + 2 QM
  D) QC = 20 - 2QM



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

orangecrush

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

A

Answer to Question 2

D




melina_rosy

  • Member
  • Posts: 531
Reply 2 on: Jun 29, 2018
Great answer, keep it coming :)


rachel

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Excellent

 

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

For a complete list of videos, visit our video library