During the era from 1880 to 1920, the U.S. economy experienced a rise in big business, an expansion in industry and increased concentration in both

The average (mean) price of ten commodities is $330. If an eleventh commodity whose price is $600 is included in the calculation, the new average is:

A) $254.54. B) $354.54. C) $330.35. D) $450.25.

Suppose a shift of aggregate demand pushes the economy "southwest" away from full employment in the aggregate demand and supply diagram. Monetarists would recommend returning to full employment by

A) raising the money supply. B) lowering the money supply. C) waiting for the price level to rise. D) waiting for the price level to fall.