ECO 203 Week 1 DQ 1 Economics Systems Economics Systems. Discuss how your college education could be considered an investment in human capital. What is the opportunity cost of your degree? Reference: Chapter 1, section 1.1: Economics and Chapter 2, section 2.1: Limited Resources. Guided Response: Review and respond to at least two of your classmatesÂ’ posts by replying to their posts on how a college education contributes to human capital and the opportunity cost of a degree. Be sure to refer to concepts found in the reading when responding to your classmates.