When One Researcher Asked Individuals to Identify Why Their Friendships

question 38

Multiple Choice

When one researcher asked individuals to identify why their friendships with a friend of the same sex ended, first on the list of reasons was

• A)new friends replacing old friends as circumstances changed.
• B)physical separation.
• C)people often just grow to dislike a characteristic of the friend's behavior or personality.
• D)one friend's dating activity or romantic relationships interfering with the relationship.

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Definitions:

Opportunity Cost

The significance of the most valuable opportunity sacrificed because of a decision made.

Average Total Cost

The cost of producing each unit, calculated by dividing the overall production expenses by the number of products made.

Marginal Cost

The added cost resulting from the manufacture of one more unit of a product or service.

Variable Input

A factor of production whose quantity can be changed easily and flexibly by a firm in the short run to adjust output levels.