Results 71 to 80 of about 26,041 (254)

Frontier Visualization for Nonconvex Models with Increasing and Decreasing Returns to Scale with the Use of Enumeration Methods

open access: yesDEStech Transactions on Computer Science and Engineering, 2019
A lot of scientific literature in the world is devoted to the returns-to-scale (RTS) evaluation of production units. Kerstens and Vanden Eeckaut were the first who considered the notion and evaluation of RTS for nonconvex Free Disposal Hull (FDH) models.
Vladimir KRIVONOZHKO   +2 more
openaire   +2 more sources

Stem Cell Transplantation in Friedreich Ataxia: Cure for Leukemia but No Effect on Neurological Progression

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Friedreich Ataxia (FRDA) is a neurodegenerative disorder of children and young adults associated with cardiomyopathy and other systemic complications. We report a 10‐year‐old girl who presented simultaneously with Acute Myelogenous Leukemia and FRDA who was successfully treated for her leukemia with allogeneic hematopoietic stem cell ...
Alexandra Gitman   +5 more
wiley   +1 more source

Optimal Timing of CCS Policies under Decreasing Returns to Scale [PDF]

open access: yes, 2014
Carbon capture and sequestration (CCS) can help to mitigate the climate change transition. Usually, in models where the atmospheric carbon stock is constrained by an institutional stabilization cap and under constant average CCS cost, the use of CCS must be delayed up to the time at which the constraint begins to be e@ective.
Amigues, Jean-Pierre   +2 more
openaire   +4 more sources

A Comparative Study of Banking Sectors of Pakistan and India: An Application of Data Envelopment Analysis

open access: yesThe Lahore Journal of Business, 2021
The main aim of this paper is to investigate the efficiency, change in productivity, and the sources of efficiency in the commercial banking sector of Pakistan and India.
Aamir Shahzad   +2 more
doaj  

Efficiency Evaluation of the Integrated Medical and Nursing Care Services in Beijing's Nursing Homes [PDF]

open access: yesZhongguo quanke yixue
Background The degree of aging in China is constantly deepening, and the demand for medical and nursing care services among residents is increasing day by day.
ZHU Lili, HAO Xiaoning, ZHENG Yanhui, LIU Zhi, ZHOU Yuchen
doaj   +1 more source

Do Mutual Funds Have Decreasing Returns to Scale? Evidence from Fund Mergers [PDF]

open access: yesSSRN Electronic Journal, 2014
Using mergers as shocks to fund size, I analyze the return-to-scale property of mutual funds. I find that acquiring funds’ performance deteriorates after experiencing a positive shock in size resulting from mergers, and liquidity plays an important role in the negative relationship between size and performance.
openaire   +1 more source

Disease Course After Anti‐CD20 Discontinuation in Secondary Progressive Multiple Sclerosis—A Multicenter Long‐Term Longitudinal Study

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To describe long‐term outcomes after anti‐CD20 discontinuation in selected patients with secondary progressive multiple sclerosis (SPMS) who remained without subsequent disease‐modifying therapy (DMT). Methods We retrospectively analyzed data from four centers in Austria and Switzerland.
Ferdinand Otto   +12 more
wiley   +1 more source

Eficiência técnica das unidades federativas brasileiras - padrões e determinantes

open access: yesEconomia Aplicada, 1998
This article analyses the Brazilian regional economy using panel data. The Brazilian federal units are classified under Farrell's concept of technical efficiency (1957).
Sumaia Saheli   +1 more
doaj  

Evaluating the technical efficiency of care among long-term care facilities in Xiamen, China: based on data envelopment analysis and Tobit model

open access: yesBMC Public Health, 2019
Background The technical efficiency (TE) of care among the elderly in long-term care facilities (LTCF) have become increasingly crucial policy concerns faced by developing countries and Asia, especially China.
Liangwen Zhang, Yanbing Zeng, Ya Fang
doaj   +1 more source

New Onset of Fibromyalgia After Exposure to a Combat Environment: A Longitudinal Cohort Study

open access: yesArthritis Care &Research, EarlyView.
Objective Traumatic life events are hypothesized to be triggers for the onset of fibromyalgia. Posttraumatic stress disorder (PTSD) is a common comorbidity of fibromyalgia. However, limited prospective data are available on the development of fibromyalgia after exposure to high‐magnitude stress.
Jay B. Higgs   +15 more
wiley   +1 more source

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