If the price of butter increases 5 percent and the amount of margarine purchased increases 25 percent, then the cross-price elasticity of these goods is:

TSA could sign up some _____________ people willing to pay for less hassle at airport security -- if they don't have to make an appointment to have fingerprints and IDs scanned

Fill in the blank(s) with the appropriate word(s).

A higher rate of investment now will generate:

A. More saving now B. More current consumption C. More future production D. More future inflation