If the growth trend of labor productivity is 3 percent per year, the number of years that it will take for the standard of living to double will be about:

If Tom threatens to tell, what would Sarah's best response be?

a. Hit b. Not hit c. Run d. Hide

Human capital can be increased by more

a. robots aiding workers b. machinery produced with combinations of labor and capital c. workers' education and experience d. factories built to accommodate workers e. oil discovered that can be used to power the capital that workers use