Our standards of living is most closely related to ? A. how hard we work: B. our supply of capital because everything of value is produced by machineryC. our productivity because our income is equal to what we produce D.…

Once a country is wealthy ? A. it no longer needs any human capital B. capital becomes more productive due to the “catch-up- effect” C. none of these answersD. it may be harder for it to grow quickly because of…