If a firm produces components of its goods and services in other countries, it is said to be outsourcing

The biggest barrier to growth for many of the poorest countries in the world is the need for:

A. more physical capital. B. larger populations. C. more human capital. D. improved legal and political frameworks.

The law of comparative advantage states that

A. countries grow fastest if exports exceed imports, with payment surpluses being received in gold. B. mutually beneficial trade can always take place between two countries whose pre-trade relative opportunity costs differ. C. two countries can both gain from trade only when they have very different tastes and preferences. D. trade benefits a country only if it has comparative advantages in all goods and services.