Because of Changes in Technology Since 1900,the Total Number of Hours

question 8

Multiple Choice

Because of changes in technology since 1900,the total number of hours doing housework has

• A)declined significantly.
• B)increased because of the time required to use the new appliances.
• C)remained about the same because so few people have access to the new technology.
• D)remained about the same because the tasks have changed.

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Definitions:

Expected-Rate-Of-Return

The predicted yield or profit from an investment over a specified period, considering the risks involved.

Diminishing Marginal Returns

A principle stating that as one input variable is increased, there is a point at which the marginal per unit output starts to decrease, holding all other inputs constant.