What is the role of the multiplier effect in Keynesian economics, and how does it amplify the impact of an initial change in autonomous spending?

The break-even output level for a perfectly competitive is

At what point does the profit-maximizing perfectly competitive firm produce?

If the economy is at equilibrium above potential output, there is a(n) _____ gap, and _____ fiscal policy is appropriate:

Average fixed cost is

Match each example in the left column with the correct term from the right column.  Do not use any term more than once.  Dome terms will not be used.

Which is a correct statement about a rent control law?

Which is the first stage in the family life cycle?

What are the potential consequences of ignoring the crowding-out effect in fiscal policy decision-making?  

Monetary policy that increases the interest rate is called _____ because it _____.