What are the full costs of government spending?

How does government provide a protective function to society? Are there any losses to society for this protection?

Explain government's justification for reducing antitrust activities.

If sellers of toasters were able to organize themselves, reduce their output, and raise their prices, how would economic efficiency be affected? Explain.

In response to the terrorist attacks of September 11, 2001, airline security screening increased dramatically. As a result, travelers must now spend considerably more time being screened before flights. Would it make economic sense to devote enough resources to completely prevent any such future attacks? Why or why not?