Abstract
The cost-effectiveness of reducing the frequency of routine supervision from monthly to quarterly was evaluated in a closely controlled field experiment conducted in a community-based distribution program in Piaui State in northeast Brazil. The results demonstrated substantial potential savings in supervisors' salaries and travel at no cost to program performance (new acceptors, revisits, distributor turnover). A possible reason for this finding was that most supervisory visits were primarily concerned with collecting inventory and service statistics, which probably contributed little to post performance. It was suggested that the number of supervisors and the frequency of supervision should be linked to productive rather than routine supervisory activities.
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