For which pairs of goods is the cross-price elasticity most likely to be positive? a. peanut butter and jellyb. bicycle frames and bicycle tiresc. pens and pencilsd. college textbooks and ipod

Option C -- Pens and Pencils

Explanation: Cross- Price elasticity of demand measures the change in demand of one commodity/goods in response to change in price of another commodity/goods.

The positivity of cross-price elasticity comes in when two goods/commodities can substitute each other. If two goods can substitute each other, therefore the cross-price elasticity value will be positive. A good/commodity can be described as substitute goods when the increase in price of one good/commodity leads to increase in demand for the substitute good. In this scenario, if the price of pen increases, consumers may purchase less pen and more pencil.

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your friend,

trade regulation is a field of law, often bracketed with antitrust (as in the phrase “antitrust and trade regulation law”), including government regulation of unfair methods of competition and unfair or deceptive business acts or practices. antitrust law is often considered a subset of trade regulation law. franchise and distribution law, consumer protection law, and advertising law are sometimes considered parts of trade regulation law.

in general the theory of economics says that the more open to trade a country is the better   the result for the same country and the whole economies.

in real life countries impose taxes, quotas, etc which is not so good for the economies.

this kind of commercial war between the usa and china is slowing down the growth of the whole world so we can say that it is a draw back of trade regulations. and the free trade agreements are benefits of trade regulations.