D. high tax rates. A high rate of savings is critically important for increasing labor productivity because a high savings rate A. enables the private sector to finance more scientific research and development. B. enables the private sector to increase the capital to labor ratio. C. is likely to accelerate capital deepening. D. All of the above 9.
Immigration increases economic growth by A. increasing the quantity of labor.
B. improving labor productivity. C. increasing the capital to labor ratio. D. All of the above. A. tax increases. B. increased environmental, health, and safety regulations.