Results 41 to 50 of about 9,449 (229)

A Cross-Country European Efficiency Measurement of Maritime Transport: A Data Envelopment Analysis Approach

open access: yesAxioms, 2022
Maritime transport, which includes shipping and port operations, is the fundamental basis of international trade and globalization. In transportation management, efficiency is critical for verifying performance and proposing the best countermeasure to ...
Phi-Hung Nguyen   +6 more
doaj   +1 more source

Systematic flaws: uncovering biases and replicability challenges in literature reviews on efficiency of education

open access: yesInternational Transactions in Operational Research, EarlyView.
Abstract Literature reviews published in peer‐reviewed journals are a prime source of general reference, as their validity and reliability are usually undisputed. This paper aims to raise awareness on biases and replicability challenges widely spread across literature reviews, using the field of efficiency of education as an example.
Juan Malagon, Carla Haelermans
wiley   +1 more source

Incorporating Environmental Impacts in the Measurement of Agricultural Productivity Growth

open access: yesJournal of Agricultural and Resource Economics, 2004
Agricultural production is known to have environmental impacts, both adverse and beneficial, and it is desirable to incorporate at least some of these impacts in an environmentally sensitive productivity index.
V. Eldon Ball   +3 more
doaj   +1 more source

Earnings Trajectories Around Parenthood: Male Same‐Sex Couples in Denmark, the Netherlands and Sweden

open access: yesJournal of Marriage and Family, EarlyView.
ABSTRACT Objective This study examines earnings trajectories of male same‐sex couples around the time they become parents in Denmark, the Netherlands, and Sweden: three forerunners in advancing same‐sex couples' legal rights but with different family policy frameworks.
Weverthon Machado   +3 more
wiley   +1 more source

Platelet Levels Associated With Bleeding Risk for Dental Interventions: A Systematic Review

open access: yesOral Diseases, EarlyView.
ABSTRACT Objectives To evaluate evidence in relation to postoperative bleeding in humans aged ≥ 16 with preoperative platelet counts < 50,000/μL, compared to those above, undergoing dental interventions. Methods Quantitative synthesis without meta‐analysis was conducted through an electronic search conducted on Ovid MEDLINE and Embase from 1946 to ...
Guang Xu David Lim   +3 more
wiley   +1 more source

A Data Envelopment Analysis Toolbox for MATLAB

open access: yesJournal of Statistical Software, 2020
The Data Envelopment Analysis Toolbox is a new package for MATLAB that includes functions to calculate the main data envelopment analysis models. The package includes code for the standard radial input, output and additive measures, allowing for constant
Inmaculada C. Álvarez   +2 more
doaj   +1 more source

Changing Landscapes of Parenthood: Childbearing Among Same‐Sex and Different‐Sex Couples in the Nordic Countries

open access: yesPopulation and Development Review, EarlyView.
Abstract The Nordic countries of Denmark, Sweden, Norway, and Finland were among the first countries to acknowledge same‐sex couples’ partnership and parenthood rights in their legislation. We explore trends over time in the share of female same‐sex and different‐sex couples that have children following their legal union and variation by socioeconomic ...
Maria Ponkilainen   +6 more
wiley   +1 more source

The impact of recycling on the productivity of Municipal Solid Waste: a comparison of the Malmquist and Malmquist-Luenberger Productivity Indexes

open access: yesInternational Journal of Sustainable Engineering, 2023
Enhancing the economic and environmental efficiency of municipal solid waste (MSW) management is crucial for transitioning to a circular economy and achieving cost-efficient and sustainable waste practices. In this study, we introduce an innovative approach to examine the influence of MSW recycling on waste performance over multiple years.
Llanquileo Melgarejo, Paula Iris   +1 more
openaire   +3 more sources

Design Optimization of a Small-Scale Polygeneration Energy System in Different Climate Zones in Iran

open access: yesEnergies, 2018
Design and performance of polygeneration energy systems are highly influenced by several variables, including the climate zone, which can affect the load profile as well as the availability of renewable energy sources. To investigate the effects, in this
Sara Ghaem Sigarchian   +2 more
doaj   +1 more source

Reframing Airport Choice in Platform Logistics: The Case of Amazon Air

open access: yesTransportation Journal, Volume 65, Issue 1, Winter 2026.
ABSTRACT While the substantial growth of e‐commerce has transformed air cargo from a peripheral service into a major revenue source in air transportation, airports, key nodes in this network, have increasingly benefited from this shift. The emergence of new players such as Amazon Air has significantly influenced the revenue growth trajectories of many ...
Xiaofu Fan   +2 more
wiley   +1 more source

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