You may think that it is colder if you see several low electronic thermometer readings on your way to work than if you took a different route that did not provide this information and you had to make your judgment based on how cold it felt to you. Your judgment is affected by the visual feedback you are receiving from the thermometers according to the

Availability heuristic

Explanation: Availability heuristic is a mental approach which relies on instant case that come to a given person's mind when assessing a specific topic, ideas, technique or conclusion.

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.

answer; self-efficacy;