Which of the following is a positive statement? An economist should test every theory at least twice.
Increases in the minimum wage cause unemployment.
We ought to deregulate the mortgage market.
The government must provide unlimited health care to citizens.
We should forgo some current consumption in order to invest in the future.

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.