Deep DiveWhy Cash-Back Rewards Are Funded by Americans Who Pay With Cash or Debit
Congress capped debit swipe fees in 2011 to make checkout cheaper. Most of the savings never reached the shelf, and the fee gap between debit and credit is exactly what funds the cash-back offers that cash and debit shoppers never earn. Here is the mechanism, the evidence on pass-through, and why the same fight is back over credit routing.









