Investing in Yourself: An Economic Approach to Education Decisions After reading the article, answer the following questions. Why does a firm invest in physical capital? Why do people invest in human capital? How does the average unemployment rate differ for those with more education? What is the college wage premium, and what has been its trend in recent decades? Explain why it is important to consider the income earning potential of various college degree programs. When considering an investment, it is important to also think about the cost. What is the average difference in the cost of attending a public versus a private university