We mostly measure income 💵 in surveys 📋. How good is the data? Linking 🧍🏾‍♀️🧍🏼 in CPS 📋 to admin data for 4 transfer 🔀 programs shows: - survey sharply ↘️ (underestimates) 🔀 - as a consequences ↘️ poor HH 💵 - ↘️ effectiveness of anti-poverty programs