There Is No Simple or Universally Accepted Explanation for the Fact

question 61

Multiple Choice

There is no simple or universally accepted explanation for the fact that nearly all cultures ban incest. However, the most accepted explanation for the incest restriction is

• A) that isolated social groups are better at survival.
• B) a genetically determined attraction for those most different from us.
• C) a genetically programmed instinctive horror.
• D) that following rules of exogamy is adaptively advantageous.
• E) a widespread and well-founded fear of biological degeneration.

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Definitions:

Average Fixed Cost

The fixed costs of production (costs that do not change with the level of output) divided by the quantity of output produced.

Marginal Costs

The expense incurred from manufacturing an extra unit of a product or service.

Average Total Costs

The total costs (fixed and variable) of production divided by the quantity of output produced.

Average Fixed Costs

The total fixed costs divided by the quantity of output produced, indicating the cost per unit that does not change with output level.