In Recent Years,garbage Collection Has Changed Dramatically

question 96

Multiple Choice

In recent years,garbage collection has changed dramatically.Twenty-five years ago a crew of up to 4 or 5 workers and 1 truck collected residential garbage.Now collection is often done by one driver and 1 more fully automated truck.What is an explanation for this change?

• A)Over long periods of time,labour is always replaced by capital.
• B)Over long periods of time,capital is always replaced by labour.
• C)Firms and municipalities substituted away from an increasingly expensive factor (labour)and toward an increasingly inexpensive factor (capital).
• D)Firms and municipalities substituted away from a factor whose price was falling (labour)and toward a factor whose price was rising(capital).
• E)The marginal product of labour was falling over time while the marginal product of capital was rising.

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Definitions:

Request

The act of politely or formally asking for something.

Promissory Estoppel

The principle that when a gratuitous promise to do something in the future causes a person who relies on that promise to incur an expense, the promisor will not be allowed to enforce other contractual rights that are inconsistent with that promise; the promise can only be used as a defense by the promisee; also known as equitable estoppel.

Discharged

The state of being released from an obligation, duty, or debt, often legally or officially.

Agreement

A mutual understanding or arrangement between two or more parties, often formalized by a contract, regarding their rights and responsibilities.