Money does not solve the double coincidence of wants problem unless it is generally acceptable

The economic way of thinking has to do with:

A) analyzing benefits but not costs. B) analyzing costs but not benefits. C) making choices at the margin. D) making the distinction between microeconomics and macroeconomics.

Elasticity along a downward sloping linear demand curve

A) is constant and equal to the slope of the curve. B) is constant and equal to the slope times the ratio of price to quantity. C) changes along the curve. D) does not vary with price unless the good is expensive.