Money Biden to shrink discretionary income: What is it? Why it matters in student loan repayment August 24, 2022August 25, 2022Medora Lee, USA TODAYComments Off on Biden to shrink discretionary income: What is it? Why it matters in student loan repayment To offer future student borrowers relief, Biden plans to cut their discretionary income. How does he plan to do that and how will that help?