When does the free-rider problem arise? A) when someone who ...

[elizabeth18]

When does the free-rider problem arise?
 
  A) when someone who benefits from a good does not have to contribute to paying for it
  B) when a firm does not have to advertise, because its customers recommend the product to their friends
  C) when policymakers ignore opportunity costs in making decisions
  D) when production of a good generates pollution

Question 2

Market supply is obtained by
 
  A) summing the amount demanded by individual consumers at various prices.
  B) summing the amount supplied by individual producers at various prices.
  C) the law of supply.
  D) observing how the supply curve shifts.

[medine]

Answer to Question 1

A

Answer to Question 2

B

[elizabeth18]

TYSM

[mcarey591]

Gracias!