Question 1
If there are external costs of production and perfectly competitive firms do not account for these costs, at the equilibrium level of output
◦
P =
MC =
MSC.
◦
P =
MC and
P <
MSC.
◦
P =
MC and
P >
MSC.
◦
P >
MC and
P =
MSC.
Question 2
It is assumed that the marginal benefit of consumption
◦ remains constant as more units of the good are consumed.
◦ increases as more units of the good are consumed.
◦ decreases as more units of the good are consumed.
◦ could either increase or decrease as more units of the good are consumed.