If the Price of Oil, a Close Substitute for Coal

question 21

Multiple Choice

If the price of oil, a close substitute for coal, increases then the

• A)supply curve for coal will shift to the right.
• B)demand curve for coal will shift to the right.
• C)equilibrium price and quantity of coal will not change.
• D)demand curve for coal will shift to the left.
• E)supply curve of coal will shift to the left.

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Definitions:

Value of the Marginal Product

The additional revenue generated from employing one more unit of a factor of production.

Total Revenue

The sum of income a company earns from selling products or providing services before deducting any costs.

Value of the Marginal Product

The additional revenue a firm receives from hiring one more unit of input, like labor, in the production process.

Marginal Product of Labor

The additional output produced as a result of adding one more unit of labor, holding all other inputs constant, often used to measure worker efficiency.