Part A How does the author develop the central idea that informed consumers influence the price of a product?

The author mentions that individuals can research prices on the Internet.

The author explains that in Germany each part of a garden hose is sold separately.

The author points out that states need money to pay for services.

The author discusses fiscal policy, such as the value-added tax.

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."

the answer is academic paper

and the second should be college professor

by explaining that it took the same total time to travel by plane as it did by train

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