Simar Lopold

Lopold Simar

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Found 13 papers in total
Nonparametric least squares methods for stochastic frontier models
Nonparametric least squares methods for stochastic frontier models
2017
When analyzing productivity and efficiency of firms, stochastic frontier models are...
Efficiency and benchmarking with directional distances: a data-driven approach
Efficiency and benchmarking with directional distances: a data-driven approach
2016
In efficiency analysis the assessment of the performance of Decision‐Making...
How to measure the impact of environmental factors in a nonparametric production model
How to measure the impact of environmental factors in a nonparametric production model
2012
The measurement of technical efficiency allows managers and policy makers to enhance...
Two‐stage DEA: caveat emptor
Two‐stage DEA: caveat emptor
2011
This paper examines the wide‐spread practice where data envelopment analysis...
Stochastic FDH/DEA estimators for frontier analysis
Stochastic FDH/DEA estimators for frontier analysis
2011
In this paper we extend the work of Simar (2007) introducing noise in nonparametric...
Innovation and export activities in the German mechanical engineering sector: an application of testing restrictions in production analysis
Innovation and export activities in the German mechanical engineering sector: an application of testing restrictions in production analysis
2011
Since Solow (1956) the economic literature has widely accepted innovation and...
Inference by the m out of n bootstrap in nonparametric frontier models
Inference by the m out of n bootstrap in nonparametric frontier models
2011
It is well‐known that the naive bootstrap yields inconsistent inference in the...
Nonparametric conditional efficiency measures: asymptotic properties
Nonparametric conditional efficiency measures: asymptotic properties
2010
Cazals et al. (2002), Daraio and Simar (2005 and 2007) developed a conditional...
How to improve the performances of Data Envelopment Analysis and Free Disposal Hull (DEA/FDH) estimators in the presence of noise?
How to improve the performances of Data Envelopment Analysis and Free Disposal Hull (DEA/FDH) estimators in the presence of noise?
2007
In frontier analysis, most nonparametric approaches (DEA, FDH) are based on...
A robust nonparametric approach to evaluate and explain the performance of mutual funds
A robust nonparametric approach to evaluate and explain the performance of mutual funds
2006
The topic of the measurement of mutual funds' performance is receiving an increasing...
Non-parametric tests of returns to scale
Non-parametric tests of returns to scale
2002
This paper discusses various statistics for testing hypotheses regarding returns to...
Estimating and bootstrapping Malmquist indices
Estimating and bootstrapping Malmquist indices
1999
This paper develops a consistent bootstrap estimation procedure for obtaining...
Sensitivity analysis of efficiency scores: How to bootstrap in nonparametric frontier models
Sensitivity analysis of efficiency scores: How to bootstrap in nonparametric frontier models
1998
Efficiency scores of production units are generally measured relative to an estimated...
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