This estimate is based on two alternative experiments that show, respectively, that the impact of UI on unemployment duration is greater in liquidity-constrained than in unconstrained households and that SP also increases the duration of unemployment, despite not being conditional on being unemployed (Chetty, 2008). Similarly, Card et al. ( Moreover, an extension of the maximum duration of unemployment benefits from 20 to 30 weeks lowers the job-finding rate in the first 20 weeks of search by 5-9%.