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Many studies have been undertaken to determine whether waste collection services are provided more efficiently by private or by public management. To date, however, the findings reported are inconclusive, partly due to the need to evaluate this question over a broad time horizon. In this paper, the question is examined taking into account an extended study period (2002–2014) and applying an order-m data panel method that provides more robust findings than those reported in previous research. The results show that, in general, public-sector provision of the waste collection service is more efficient than private alternatives.

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Measuring the Efficiency of Public and Private Delivery Forms: An Application to the Waste Collection Service Using Order-M Data Panel Frontier Analysis