A field experiment in India led by MIT antipoverty researchers has produced a striking result: A one-time boost of capital improves the condition of the very poor even a decade later. The experiment, based on a “Targeting the Ultra-Poor” (TUP) program that aids people living in extreme poverty, generated positive effects on consumption, food security, income, and health, which grew fairly steadily for seven years after the start of the program, and then remained intact after 10 years as well. The study, based in rural West Bengal, India, centered on…