Hédi Essid

Hédi Essid
Université de Tunis | ISGT · Economics and Business Analytics (Tunis Business School)

PHD Economics (Université des Sciences et Technologies de Lille, Lille 1)

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20
Publications
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300
Citations

Publications

Publications (20)
Article
Full-text available
This article examines the environmental productivity in the Mediterranean countries over the period 2009-2014.We use the Malmquist-Luenberger productivity index that can handle undesirable outputs within data envelopment analysis approach. We decompose the index into technical efficiency, technological change, and scale efficiency change to determi...
Article
The main purpose of this paper is to identify the key factors that impact schools' academic performance and to explore their relationships through a two-stage analysis based on a sample of Tunisian secondary schools. In the first stage, we use the Directional Distance Function approach (DDF) to deal with undesirable outputs. The DDF is estimated us...
Article
The purpose of this paper is to investigate the education efficiency in Tunisia based on a sample of secondary schools. We place some special focus on schools resources and corresponding dropout levels. We use the Directional Distance Function (DDF) methodology to simultaneously deal with bad outputs and non-discretionary inputs. Our assessment is...
Article
Full-text available
The purpose of this paper is to assess the technical efficiency of Tunisian secondary education and to identify the determinants of its performance by using the Programme for International Student Assessment (PISA) 2015 survey. A two stage analysis is conducted; in the first stage we estimate efficiency score of each school by employing data envelo...
Conference Paper
Full-text available
In the recent past years, Tunisia pursued a national policy on health which was directed towards the performance. Although the lack of adequate resources presents the most important constraint, efficiency in the utilization of available resources is another challenge that cannot be overlooked. The objective of this study aims to assess the technica...
Conference Paper
In this paper we present an application of the DEA game cross-efficiency model in portfolio selection where DMUs are viewed as competing agent for available funds (investment). The model provides unique cross efficiency scores which will be determined through an iterative approach leading to the Nash equilibrium. The approach is applied to stock po...
Article
The main purpose of this paper is to examine the energy efficiency determinants in Mediterranean countries over 2009-2012. In order to account for both the bias and serial correlation of efficiency scores, we use the double bootstrap procedure suggested by Simar and Wilson (2007) which allows for valid inference. By using a specific bootstrap proce...
Conference Paper
In this study, we measure the efficiency of a students’ achievement in the PISA 2012 study. We use smooth bootstrap data envelopment analysis approach with non-discretionary inputs to estimate and correct the bias and to construct confidence intervals for efficiency measures. In our model, education achievement, the output, is measured by the perfo...
Article
Full-text available
In this study, we measure the productivity of high schools in Tunisia over the period 2000/2001–2003/2004 using a Malmquist productivity index that we decompose into technical efficiency, scale efficiency and technological change. This decomposition allows us to identify the source of productivity changes. We also adapt the definition of the Malmqu...
Article
Full-text available
Allocation of resources to schools in a centrally managed state system, as the Tunisian one, should depend on the performance of the individual institutions. The optimal size is of crucial importance in this context and we need accurate measurement for sound policies. This article discusses and implements a nonparametric statistical test procedure...
Article
Full-text available
This paper discusses and implements a nonparametric statistical test procedure for organization scale efficiency. This procedure allows the practitioner to test whether the observed scale efficiency score is real or due to sampling variation. Our test procedure is based on the work of Simar and Wilson (1998, 2002). However, instead of considering a...
Article
Full-text available
Simar and Wilson (2002) procedure to test for returns to scale has a drawback as it may generates inconsistent values. We use a counter example to show that their returns to scale test procedure generates non admissible pseudo-values. Consequently, the test results are not consistent and cannot be used to test for returns to scale. We propose a rem...
Book
Full-text available
L'objet de notre travail est l'analyse de l'efficacité et de la productivité des organisations. Nous étudions, en particulier, les assises statistiques des estimateurs non paramétriques de type DEA et FDH. Nous nous intéressons aux propriétés statistiques de ces estimateurs notamment celles de convergence, du biais et de distribution asymptotique....
Article
Full-text available
The objective of this paper is to measure the efficiency of high schools in Tunisia. We use a statistical data envelopment analysis (DEA)-bootstrap approach with quasi-fixed inputs to estimate the precision of our measure. To do so, we developed a statistical model serving as the foundation of the data generation process (DGP). The DGP is construct...

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