An exclusive right to sell a new and useful product, process, substance, or design for a fixed period of time is called a

A) patent.
B) barrier to entry.
C) monopoly.
D) research disincentive.


A

Economics

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Opportunity cost is the difference between the nominal and real cost of some action

Indicate whether the statement is true or false

Economics

After a shift in the aggregate demand curve, which variable adjusts to restore general equilibrium?

A) price level B) real interest rate C) consumption spending D) investment spending

Economics

Unemployment insurance benefits are uniform throughout the U.S

Indicate whether the statement is true or false

Economics

Which of the following is considered to be a fixed cost of operating an automobile?

a. Gasoline b. Tires c. Registration fees d. Maintenance e. Oil change

Economics