Before revision:  The platform offers two types of matches to workers: an " adopted match " which entails repeatedly matching with the same job or a one-time match.Due to randomness in match compatibility, adoption seems favorable as it reduces uncertaintyin matching. However, high adoption levels reduce the number of available jobs, which in turn can suppress future worker engagementif the remaining workers cannot find a match.
After revision:  The platform offers two types of matches to workers: an " adopted match " Despite being effective in reducing match uncertainty, high levels of adoption reduce match availability for volunteers which in turn can suppress future worker engagementif the remaining workers cannot find a match.