According to proponents of human capital theory, education:
A. increases a worker’s productivity.
B. identifies more productive workers for employers but does not directly increase
productivity.
C. should result in all workers with college degrees earning more than all workers who
hold only high school diplomas.
D. is an investment with primarily higher returns and lower risks than those available
through investments in physical or financial capital.
A decrease in aggregate demand is likely to result from:
A. a decrease in the price level.
B. an increase in the price level.
C. an appreciation in the value of the U.S. dollar.
D. a decrease in the excess capacity of factories.
Some firms in the technology sector have achieved economies of scale because costs
have been reduced by: