la. Between 1980 and 2012, tuition increased by 300% in real dollars. Explain why this does not necessarily mean that college is now a worse investment than it was in 1980. 1b. What are ways in which we can encourage college attendance for low SES students? 1c. What are ways in which we can encourage college completion for low SES students? 1d. Explain what a behavioral "nudge" is. Why does an effective "nudge" imply that students may be behaving irrationally