Which of the following raises a country's standard of living?

Question

Quizplus · Accepted Answer

(i) Increasing productivity and efficiency leads to higher output levels and therefore higher incomes for workers, which in turn raises the standard of living. 
(ii) Investment in physical capital such as infrastructure and technology can lead to increases in productivity and efficiency. 
(iii) Investment in education and human capital can lead to improvements in skills and knowledge, which can also increase productivity and efficiency, and ultimately raise the standard of living.

Which of the Following Raises a Country's Standard of Living