Question 6 4 out of 4 points costs incurred by the

 Question 6
4 out of 4 points
Costs incurred by the producer to buy or hire resources are called
 Question 7
4 out of 4 points

The efficient level of pollution is zero only if the
 Question 8
4 out of 4 points
Which of the following approaches would an economist propose to
address industrial pollution of a river?
 Question 9
4 out of 4 points
The level of pollution increases when
 Question 10
4 out of 4 points
The market output level tends to be socially optimal when

 Question 11
4 out of 4 points
Costs incurred by the producer for the use of self-owned resources are
called
 Question 12
4 out of 4 points