What Is the Best Explanation for Why the Age of Menarche

question 17

Multiple Choice

What is the best explanation for why the age of menarche differs across countries?

• A) Advances in technology correspond to an earlier age of being able to carry an infant to term.
• B) Evolutionary changes are linked to taller and more physically strong women that develop earlier.
• C) The change is probably due primarily to better nutrition and health care.
• D) The decrease reflects the revolving cycle where women are having children younger and, in turn, the age of reproduction of their children is younger, and so on.

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Definitions:

Marginal Revenue

The additional revenue that a firm receives from selling one more unit of a good or service.

Price Discrimination

A pricing strategy where identical or substantially similar goods or services are sold at different prices by the same provider in different markets or to different buyers.

Economic Profits

The difference between total revenues and total costs, including both explicit and implicit costs, indicating the financial gain realized when accounting for opportunity costs.

Demand Schedule

A table that lists the quantity of a good all consumers in a market will buy at every different price.