نتایج جستجو برای: external cost

تعداد نتایج: 569603  

Journal: :Journal of Open Innovation: Technology, Market, and Complexity 2020

2000
Erik T. Verhoef E. T. Verhoef

This article discusses a number of issues that will become increasingly important now that the concept of marginal external cost pricing becomes more likely to be implemented as a policy strategy in transport in reality. The first part of the article deals with the long-run efficiency of marginal external cost pricing. It is shown that such prices not only optimize short-run mobility, given the...

Journal: :Journal of applied physiology 2012
Christopher J Arellano Rodger Kram

To quantify the energetic cost of maintaining lateral balance during human running, we provided external lateral stabilization (LS) while running with and without arm swing and measured changes in energetic cost and step width variability (indicator of lateral balance). We hypothesized that external LS would reduce energetic cost and step width variability of running (3.0 m/s), both with and wi...

Ahmad Makui Fatemeh Farrokhian Iraj Mahdavi

The allocation of risks among the contracting parties in a contract is an important decision affecting the project success. Some risks in a project are uncontrollable; these are imposed to a project by external factors. Since contracting parties can neither control nor affect the occurrence of such risks, their allocation to a party would be inequitable. Therefore the cost overrun related to un...

Journal: :JAMA 2001
P W Groeneveld J L Kwong Y Liu A J Rodriguez M P Jones G D Sanders A M Garber

CONTEXT Installation of automated external defibrillators (AEDs) on passenger aircraft has been shown to improve survival of cardiac arrest in that setting, but the cost-effectiveness of such measures has not been proven. OBJECTIVE To examine the costs and effectiveness of several different options for AED deployment in the US commercial air transportation system. DESIGN, SETTING, AND SUBJE...

Journal: :محیط زیست طبیعی 0
علی لطفی استادیار دانشکدة منابع طبیعی، دانشگاه صنعتی اصفهان سید مهدی حشمت الواعظین استادیار دانشکدة منابع طبیعی، دانشگاه تهران محمدرضا گیلی استادیار دانشکدة منابع طبیعی، دانشگاه ملایر آزاده کاظمی دانشجوی دکتری دانشکده محیط زیست، دانشگاه تهران

external costs of environmental degradation are often ignored in economic analysis of projects. the mail goal of the paper is to economically analyze the current alternatives of meighan wetland utilization including extraction of sodium sulfate, aquaculture of artemia and integrative alternative considering external costs of wetland degradation. in order to detect eventual degradation of wetlan...

Journal: :Journal of biomechanics 2004
J M J Maxwell Donelan D W David W Shipman Rodger Kram A D Arthur D Kuo

Walking appears to be passively unstable in the lateral direction, requiring active feedback control for stability. The central nervous system may control stability by adjusting medio-lateral foot placement, but potentially with a metabolic cost. This cost increases with narrow steps and may affect the preferred step width. We hypothesized that external stabilization of the body would reduce th...

2015
Kyle Lacy Chris Cooke Pat Cooke Justin Schupbach Rahul Vaidya

Traumatic dislocations of the shoulder commonly present to emergency departments (EDs). Immediate closed reduction of both anterior and posterior glenohumeral dislocations is recommended and is frequently performed in the ED. Recurrence of dislocation is common, as anteroinferior labral tears (Bankart lesions) are present in many anterior shoulder dislocations.14,15,18,23 Immobilization of the ...

Journal: :Gait & posture 2015
J H Matsubara M Wu K E Gordon

People with incomplete spinal cord injury (iSCI) expend considerable energy to walk, which can lead to rapid fatigue and limit community ambulation. Selecting locomotor patterns that enhance lateral stability may contribute to this population's elevated cost of transport. The goal of the current study was to quantify the metabolic energy demands of maintaining lateral stability during gait in p...

2006
Astrid Jakob John L. Craig Gavin Fisher

The current level of motorised transportation worldwide is increasingly a social, environmental and economic problem. Transport benefits come alongside injuries and death, unproductive travel time, energy dependence, and environmental damage. One reason for the increasing problem results from externalising various impacts on society. Many of these external – or ‘unpaid’ costs have only graduall...

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