Stark, Oded; Budzi´nski, Wiktor; Jakubek, Marcin; … - 2022
Rotating Savings and Credit Association (ROSCA). We measure the efficiency of a ROSCA by the expected waiting time that it … optimal size of a ROSCA as the number of participants that results in the minimal expected waiting time. We show that an … expected waiting time is not monotonic when the size builds up from an individual saving on his own to the optimal size. A …