A market that involves only one seller of a good or service is known as

In the Keynesian model, changes in the money supply cause changes in

A) saving. B) investment. C) government spending. D) aggregate supply.

What does it mean when economists say that home buyers are "underwater" on their mortgages?

A. Buyers owe more on their mortgage than the properties are worth. B. Buyers are financially incapable of repaying their mortgages and bankruptcy is inevitable. C. Buyers are purchasing homes on flood plains and are highly susceptible to financial losses. D. Buyers are paying interest rates substantially higher than current market interest rates,