Measuring and explaining the cost efficiency of municipal solid waste collection and processing services

Rogge, Nicky; Jaeger, Simon De

doi:10.1016/j.omega.2012.09.006

Cited by 93 publications

(37 citation statements)

References 33 publications

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“…The fact that DEA has a good record in identifying best practice and in generating useful information to promote an efficient and effective use of public resources (e.g. [14,15]), makes its use in this particular context very valuable. Furthermore, considering that DEA allows the assessment of economies of scale, this technique will allow us to assess the extent to which the proposed reorganization of the existing judicial map with a higher concentration of the judicial services through the closure of small courts is supported by evidence.…”

Section: The Portuguese Judicial Systemmentioning

confidence: 99%

On the need for reform of the Portuguese judicial system – Does Data Envelopment Analysis assessment support it?

Santos

Amado

2014

Omega

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The Portuguese judicial system has attracted considerable criticism in recent years and demands for reforms have gained prominence. By using the Data Envelopment Analysis technique and focusing on the performance of 223 Portuguese first instance courts during the period of 2007 to 2011, this research has found evidence that supports some of this criticism and justifies the calls for reforms, better performance and accountability of the judicial system. In particular, our results found a sector with considerable scope for improvement with less than 16 percent of the 223 courts analysed making an efficient use of their resources in each year and with only one third of the courts being considered efficient in at least one of the five years assessed. Whilst the results suggest that improvement can be achieved with better case management, scale factors also seem to play an important role in explaining inefficiency, with most of the inefficient courts being smaller than optimal and with smaller courts being, on average, less efficient than larger ones. The existence of a statistically significant relationship between courts' efficiency and size was confirmed by the Mann-Whitney test. These results indicate considerable scope for improvement and that some of the planned reforms are timely and seem well targeted. However, the results also suggest that efficiency increases matching peers' best practices are not enough to sustainably reduce the prevailing judicial backlog and length of court proceedings in a considerable number of courts. Major changes in the capacity and/or functioning of the Portuguese judicial system might also be required.

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Section: The Portuguese Judicial Systemmentioning

confidence: 99%

On the need for reform of the Portuguese judicial system – Does Data Envelopment Analysis assessment support it?

Santos

Amado

2014

Omega

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“…Hence, it is possible to find works using this approach to measure the efficiency of units operating in multiple frameworks such as the educational sector (Bonaccorsi et al, 2006;Cherchye et al, 2010;De Witte and Rogge, 2011;Haelermans and De Witte, 2012;De Witte and Kortelainen, 2013;, banks and mutual funds (Daraio and Simar, 2005;Daouia and Simar, 2007;Blass et al, 2008;Badin et al, 2010), post offices (Cazals et al, 2008), public libraries (De Witte and Geys, 2011;, regional welfare or environment Tzeremes, 2011a, Halkos andTzeremes, 2013), local services (Rogge and De Jaeger, 2012;Verschelde and Rogge, 2012) or the water sector Marques, 2010a, 2010b;Carvalho and Marques, 2011;Vidoli, 2011). However, to the best of our best knowledge, this methodology has only been applied previously in the health sector to measure the efficiency of health administrative districts in Greece (Halkos and Tzeremes, 2011b) considering only continuous exogenous variables.…”

Section: Introductionmentioning

confidence: 99%

Efficiency assessment of primary care providers: A conditional nonparametric approach

Ferrera

Alonso-Morán

Nuño-Solinís

et al. 2015

European Journal of Operational Research

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This paper uses a fully nonparametric approach to estimate efficiency measures for primary care units incorporating the effect of environmental factors. This methodology allows us to account for different types of variables (continuous and discrete) regarding the main characteristics of patients served by those providers. In addition, we use an extension of this nonparametric approach to deal with the presence of undesirable outputs in data, represented by the number of readmissions and hospitalization rates of ambulatory care sensitive condition (ASCS). The empirical results of our application show that all the exogenous variables considered have a significant and negative effect on efficiency estimates.

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“…On the other hand, with over 4.6 million households in Belgium in 2009, the density of pickup points for packaging waste collection is higher in Belgium when compared to Portugal (curbside collection is more strongly embedded in the Belgian system). Nevertheless, as argued in Rogge and De Jaeger (2013) debate on the impact of the density of pick-up points on the cost per ton collected is still on-going, as reductions in driving time between pickup points might be offset by constraints caused by congestion.…”

Section: Collection Systemmentioning

confidence: 99%

Economic viability of packaging waste recycling systems: A comparison between Belgium and Portugal

Marques

Cruz

Simões

et al. 2014

Resources, Conservation and Recycling

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Measuring and explaining the cost efficiency of municipal solid waste collection and processing services

Cited by 93 publications

References 33 publications

On the need for reform of the Portuguese judicial system – Does Data Envelopment Analysis assessment support it?

On the need for reform of the Portuguese judicial system – Does Data Envelopment Analysis assessment support it?

Efficiency assessment of primary care providers: A conditional nonparametric approach

Economic viability of packaging waste recycling systems: A comparison between Belgium and Portugal

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