The best definition of a trademark is

a. the exclusive right to publish and sell literary, artistic, or musical compositions.
b. the exclusive right to produce and sell goods with one or more unique features.
c. an asset created from favorable factors such as location, product quality, reputation, and managerial skills.
d. a name, term, or symbol used to identify a business or its product.

Suppose that, on the basis of a nation’s production possibilities curve, an economy must sacrifice 10,000 pizzas domestically to get the 1 additional industrial robot it desires but that it can get the robot from another country in exchange for 9,000 pizzas. now consider the following statement: “through international specialization and trade, a nation can reduce its opportunity cost of obtaining goods and thus ‘move outside its production possibilities curve.’”