“The evidence from diverse interventions in low-, middle-, and high-income contexts indicates minimal impact on aggregate measures of labor market participation,3,5,6 with some studies reporting an increase in work participation.11 When reductions do occur, time is channeled into other valued activities such as caregiving.”
Every single study that’s ever been performed on UBI has shown a steady level of labor participation, or an increase in it. Any drop, was by a family that now could afford to have a stay at home parent.