Πλοήγηση ανά Θέμα "Efficiency"
Αποτελέσματα 1-20 από 59
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Analysis of microclimate and cucumber fruit yield in a screenhouse and an evaporatively cooled greenhouse in a semi-arid location
(2018)The microclimate and cucumber crop response in a screenhouse and in an evaporatively cooled greenhouse were studied in Oman during winter/spring and spring/summer cultivation periods. Measurements were carried out in two ... -
Analyzing bank “black boxes”: A two-stage Nerlovian profit inefficiency model
(2021)The paper introduces a two-stage network Nerlovian profit inefficiency estimator, modelling bank’ “black box” production processes. The unique features of the model include the modelling of a risk factor measured by period ... -
Assess and prognosticate green house gas emissions from agricultural production of EU countries, by implementing, DEA Window analysis and artificial neural networks
(2017)One of the most important policy reforms for the European Union (EU) agriculture was the implementation of the Agenda 2000, which establishes a new framework for subsidies management, decoupled from both crop and animal ... -
Assessing 28 EU member states' environmental efficiency in national waste generation with DEA
(2019)This paper deals with the efficiency of the 28 European Union (EU) Member States for the years 2008, 2010, 2012 and 2014 by employing Data Envelopment Analysis (DEA) and directional distance function to tackle undesirable ... -
Bayesian inference for damage identification based on analytical probabilistic model of scattering coefficient estimators and ultrafast wave scattering simulation scheme
(2020)Ultrasonic Guided Waves (GW) actuated by piezoelectric transducers installed on structures have proven to be sensitive to small structural defects, with acquired scattering signatures being dependent on the damage type. ... -
Binocular-Combination-Oriented Perceptual Rate-Distortion Optimization for Stereoscopic Video Coding
(2018)In the chain of stereoscopic video processing, stereoscopic video coding and viewing are usually two independent stages. Conventional stereoscopic video coding puts an emphasis on improving the coding efficiency by seeking ... -
Branchless Code Generation for Modern Processor Architectures
(2021)Compilers apply transformations to the code they compile in order to make it run faster without changing its behavior. This process is called code optimization. Modern compilers apply many different passes of code optimization ... -
CEO compensation and bank efficiency: An application of conditional nonparametric frontiers
(2016)The paper investigates in a dynamic context the effect of Chief Executive Officer (CEO) bonus and salary payments on banks' technical efficiency levels. Our methodological framework incorporates the latest developments on ... -
Comparative performance analysis of grid-connected photovoltaic system by use of existing performance models
(2017)Performance analysis of real world efficiency of photovoltaic installations is proven to be a challenging task, as demonstrated by the processing of data from monitoring operation of a photovoltaic park for a period of ... -
A Comparison between Variable Deficit Irrigation and Farmers’ Irrigation Practices under Three Fertilization Levels in Cotton Yield (Gossypium hirsutum L.) Using Precision Agriculture, Remote Sensing, Soil Analyses, and Crop Growth Modeling
(2022)The major global challenge for the coming decades will be increasing crop production with less water consumption. Precision agriculture (PA) and variable deficit irrigation (VDI) are management strategies that help farmers ... -
Competitive conditions and sectors’ productive efficiency: A conditional non-parametric frontier analysis
(2019)The scope of this paper is to build an appropriate nonparametric frontier framework by using time-dependent conditional efficiency estimators to investigate how competition and time affect the process of technological ... -
A conditional directional distance function approach for measuring tax collection efficiency: evidence from Spanish regional offices
(2021)This paper analyzes the evolution of the technical efficiency of Spanish regional tax offices with respect to the main devolved taxes for the period 2005–2014. We apply the conditional directional distance function ... -
Correlation of actual efficiency of photovoltaic panels with air mass
(2015)Photovoltaic installations are already producing more than 5% of electricity in several European countries. Monitoring of photovoltaic parks produces a huge amount of data that are employed in checking the real-world ... -
Crime and the effectiveness of public order spending in Greece: Policy implications of some persistent findings
(2013)Increasing crime rates invariably result in calls for more police protection which requires the allocation of additional scarce resources to policing and public order. In an environment of fiscal pressures, the effectiveness ... -
Cyclodextrins as high-performance green co-solvents in the aqueous extraction of polyphenols and anthocyanin pigments from solid onion waste
(2021)This investigation was carried out with the scope to examine three commonly used cyclodextrins (CDs), β-cyclodextrin (β-CD), methyl β-cyclodextrin (m-β-CD) and 2-hydroxypropyl β-cyclodextrin (HP-β-CD) as green co-solvents ... -
A DEA approach for estimating the agricultural energy and environmental efficiency of EU countries
(2014)This study attempts to evaluate the energy and environmental efficiency of the primary sectors of the EU member state countries. The evaluation is based on a non-radial Data Envelopment Analysis (DEA) model which allows ... -
Digital Twins and Cyber Security - solution or challenge?
(2021)Digital twin technology today is diverse and emerging and its full potential is not yet widely understood. The concept of a digital twin allows for the analysis, design, optimisation and evolution of systems to take place ... -
Eco-efficiency estimation with quantile stochastic frontiers: Evidence from the United States
(2022)This paper based on quantile stochastic frontier framework constructs quantile eco-efficiency measures. Using the estimates from the quantile stochastic frontier, the eco-performance of the U.S. states for nitrogen oxides ... -
Economic growth, efficiency and environmental elasticity for the G7 countries
(2019)In this study the non-parametric method of Data Envelopment Analysis (DEA) is applied to determine the technical efficiency (TE) index of the G7 countries, when variable returns to scale (VRS) hold for the entire period ... -
Effect of a simulated heat wave on physiological strain and labour productivity
(2021)Background: The aim of the study was to investigate the effect of a simulated heat-wave on the labour productivity and physiological strain experienced by workers. Methods: Seven males were confined for ten days in controlled ...