If a corporation cannot pay its debts, creditors cannot seek payment from shareholders' personal wealth

A positive externality causes

A) the marginal social benefit to be less than the marginal private cost of the last unit produced. B) the marginal private benefit to exceed the marginal social cost of the last unit produced. C) the marginal social benefit to exceed the marginal private cost of the last unit produced. D) the marginal social benefit to be equal to the marginal private cost of the last unit produced.

Which of the following restricts the volume of international trade?

a. stable prices b. tariffs c. the law of comparative advantage d. a stable international monetary system.