Alocal police agency publicizes the implementation of an aggressive, special anti-dui enforcement effort, but they do not actually have an anti-dui unit. the publicity about the phantom unit alone yields a deterrence effect for a short period of time. which term does this best exemplify?

Announcement effect.

Explanation:

Based on the information provided within the question it can be said that the term that best exemplifies this would be the Announcement effect. This term refers to the impact that a public announcement can have on the financial markets, especially if made by specific authorities. Which is what the anti-DUI announcement has had by yielding a deterrence effect.

the first one is d and the second a

answer; eliminate parking problems in cities, because a car took up only half as much space as a horse and buggy;