The market demand curve for a resource is the a. horizontal sum ...

[DelorasTo]

The market demand curve for a resource is the
 a. horizontal sum of the demand curves for that resource in all its various uses
  b. difference among the demand curves for that resource in all its various uses
  c. demand for that resource in its best use
  d. sum of the demand curves for that resource in its best two uses
  e. vertical sum of the demand curve for that resource in all its various uses

Question 2

The optimal level of pollution occurs where the marginal social benefit is equal to
 a. marginal private cost, which equals marginal social cost plus marginal external cost
  b. marginal social cost, which equals marginal private cost plus marginal external cost
  c. marginal external cost, which equals marginal private cost plus marginal social cost
  d. marginal private cost, which equals marginal social cost plus marginal internal cost
  e. marginal social cost, which equals marginal private cost plus marginal internal cost

[jharrington11]

Answer to Question 1

A

Answer to Question 2

B