why does free access to a common property resource generate an inefficient​ outcome? part 2 a. the marginal private cost is less than the marginal social​ cost, which leads to the resource being over utilized. by. the marginal private cost is less than the marginal social​ cost, which leads to the resource being underutilized. c. the marginal private cost is greater than the marginal social​ cost, which leads to the resource being over utilized. d. the marginal private cost is greater than the marginal social​ cost, which leads to the resource being underutilized.