Research suggests improvements in human capital explains what percentage of the growth in U. S. Productivity from 1950 to the early 2000s?

20%

Step-by-step explanation:

Human capital refers to the expertise that people gain as a result of working. This includes skills they gain from training and actually working. For instance, the skills a website designer gets from working on .

Research suggests that this human capital has led to about a 20% growth in U.S. productivity from the year 1950 to the year 2007 which means that it is a very significant factor in the growth of the country.

1/800 is the right answer