chris beyrer, professor of epidemiology at johns hopkins bloomberg school of public health.you, hari. it's been a please being with you. >> sreenivas: for more national and international news visit pbs.org/newshour. >> sreenivasan: tens of millions of americans received checks as part of the covid-19 relief bill, oviding emergency financial d to individuals and families facing financial insecurity due to the pandemic. while there is ongoing debate over safety net policy; new analysis of u.s. census bureau“ household pulse” surveys offers a look at how the stimulus aid benefited americans. i spoke with h. luke shaefer who co-authored e study. he's a professor of public policy and director of poverty solutions at the university of michigan. professor schaefer, what were you able to look at in the context of the money that the government gave and what kind of impact it had on people? >> wl, after covid hit the federal government, the census bureau started a monthly survey where they'd just ask americans how they're doing with things like putting food on the table and paying the