Which of the following best explains why competition is an important part of
a free-market system?

a. without competition people wouldn't have a lot of choices.
b. competition guarantees that consumers have resources.
c. government regulation is needed when there is too much
competition.
d. producers need competition to force them to produce.

Not all members of the radio audience of orson welles' war of the worlds broadcast panicked immediately. indeed, some didn't panic until they looked out of the window and saw empty streets; others didn't panic until they saw streets full of traffic. it was after checking out the situation that these citizens decided that the martians had indeed invaded earth. this example illustrates that contagion can result when people look to others for the interpretation of ambiguous situations . can result when cultural norms reinforce people's most likely responses. occurs primarily because humans are by nature irrational creatures. is especially likely when people are motivated to make independent decisions.