-Mike, Joe, and Sam Are Roommates

question 148

Multiple Choice

-Mike, Joe, and Sam are roommates. They need lamps for their common living room. Lamps in their living room are a public good for these roommates. The marginal benefit that each individual receives from varying numbers of lamps in the living room is given in the table above. If the marginal cost of a lamp is 13, what is the efficient number of lamps for the roommates to purchase?

• A) 0
• B) 1
• C) 2
• D) 5

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Definitions:

Present Consumption

The use of goods and services for immediate satisfaction or needs, as opposed to saving for future use.

Loanable Funds

The supply of available capital in the financial markets for borrowing, which can be used for investment purposes by individuals and businesses.

Future Consumption

The use of goods or services at a later date, often facilitated by saving or investing in the present.

Productivity of Capital Goods

The effectiveness with which capital goods, such as machinery and equipment, produce goods or services.