One source of long-run economic growth is an increase in the quality of labor, or human capital, of which education plays a major role. Go to www.bls.gov and look up the current unemployment rate. Compare this to the current unemployment rates for those without a high school diploma, those with only a high school diploma, and those with a bachelor’s degree or higher. What does this data suggest about education requirements for jobs in the United States? Then go to www.census.gov and look at the current population survey historical table A-2. Find the percentage of the total population 25 years and older who have completed four years of high school or more and the percentage who have completed four years of