نتایج جستجو برای: allowing shortage and surplus
تعداد نتایج: 16831098 فیلتر نتایج به سال:
Using multi-species surplus production models to estimate ecosystem-level maximum sustainable yields
We used time series of biomass and catches for the major commercial groundfish stocks in the Eastern Bering Sea/Aleutian Islands region and in he Gulf of Alaska to compute annual surplus production for 1977–2004. Annual surplus production and average annual biomass were aggregated cross stocks within each region to examine the relationship between total surplus production and total aggregated b...
Introduction : The recognition of economics of hospitals, as integral and costly components of health care systems, is vital for assessing their efficiency and the factors affecting them. The study through Data Envelopment Analysis (DEA) aimed to determine the efficiency of selected hospitals of Urmia University of Medical Sciences. Methods : This was a descriptive-analytic (cross-sectional...
We study a long-recognised but under-appreciated symmetry called "dynamical similarity" and illustrate its relevance to many important conceptual problems in fundamental physics. Dynamical similarities are general transformations of system where the unit Hamilton's principal function is rescaled, therefore represent kind dynamical scaling with formal properties that differ from standard symmetr...
The paper provides a possible explanation for the occurrence of uniform, fixedproportion rules for sharing surplus in two-sided markets. We study a two-sided matching model with transferable utility where agents are characterized by privately known, multi-dimensional attributes that jointly determine the surplus of each potential partnership. We ask the following question: for what divisions of...
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