The importance of an economic model is that it allows us to: build an accurate mathematical model of every aspect of the economy. focus on the effects of only one change at a time. build a complex and accurate model of how the economy should work. avoid opportunity costs.

"it is one thing to say that the police cannot be used as an instrument for the suppression of unpopular views, and another to say that, when as here the speaker passes the bounds of argument and undertakes incitement to riot, they are powerless to prevent a breach of peace." --chief justice fred m. vinson, 1951 chief justice fred m. vinson's writings in feiner v. new york conclude that freedom of speech must be protected at all costs, including a breach of the peace. select the best answer from the choices provided ot of next submit mark this and return