Results 111 to 120 of about 13,664,047 (286)

Evaluation Performance for Iraqi Oil Projects Using Earned Value Analysis

open access: yesTikrit Journal of Engineering Sciences
Poor performance measuring procedures in the oil and gas sector can result in project cost overruns, schedule delays, and scope expansions. Earned value management, an integrated project planning and control system that monitors cost and schedule ...
Nidal Adnan Jasim   +2 more
doaj   +1 more source

Farm labor scarcity and its uneven impacts on crop producers in the United States

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract This study is the first to evaluate the impacts of farm labor scarcity on producers in the United States across different crop production systems. Between 2002 and 2017, we disentangle the effects of labor scarcity from the impacts of rising commodity demand, technological change, and supply of other inputs on labor market outcomes.
Srabashi Ray   +4 more
wiley   +1 more source

Comparative analysis of the earned value management method according to international standards: PMBOK seventh edition, ISO 21508 y ANSI/EIA 748 - D

open access: yes
El principal objeto de este trabajo de grado es realizar y posteriormente presentar al lector un análisis comparativo de la metodología de gestión valor ganado o conocido en sus siglas en inglés como EVM (Earned Value Management) según la guía PMBOK 7ma ...
Gil Castillo, Jhefferson   +1 more
core   +1 more source

Improving access to new technologies: An experiment with Kenyan input sellers

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Agrodealers play a critical role in rural economies, selling essential inputs for agricultural production, stocking new products, and providing farmers with technical advice. However, uncertainty can discourage them from stocking newer, less familiar products, limiting the availability of innovative technologies and leading to market failures ...
Sarah W. Kariuki   +6 more
wiley   +1 more source

Risk management externalities in agrifood supply chains

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Firms may under‐ or over‐invest in risk management from the social planner's perspective, resulting in a negative externality on other economic agents in the supply chain. The externality of risk management is particularly relevant for agrifood supply chains, which frequently experience disruptions and play a primary role in preventing major ...
Jeffrey Hadachek, Meilin Ma
wiley   +1 more source

Firm turnover under asymmetric information: Tanzania's agro‐dealer sector

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract We study firm turnover (i.e., entry and exit) and its consumer implications in a market characterized by asymmetric information. Using a three‐round census of agro‐dealers in Tanzania's Morogoro Region, we document annual firm entry and exit rates of 33% and 17%, respectively.
Alix Naugler   +3 more
wiley   +1 more source

Research on Dynamic Optimization of a Critical Path Based on Stochastic Duration and the Earned Value Method

open access: yesBuildings
Critical paths are widely used in project schedule management, but most existing studies ignore the volatility and dynamic characteristics of project duration, which increases the risk of project implementation. This paper proposes a dynamic optimization
Ping Cao   +4 more
doaj   +1 more source

Community partner perspectives on community‐academic health research partnerships with Black American communities: A scoping review

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract Evaluations of community‐engaged research (CEnR) typically emphasize health outcomes rather than the partnership processes that contribute to intervention effectiveness. This scoping review synthesized community partner‐identified strategies for successful community‐academic health research partnerships with Black American communities and ...
Kaylyn A. Garcia   +6 more
wiley   +1 more source

Earned Value Management (EVM) System Description [PDF]

open access: yes, 2019
The purpose of this Earned Value Management (EVM) System Description is to provide guidance in NASAs Earned Value Management Capability for the effective application, implementation, and utilization of EVM on NASA programs, projects, major contracts and ...
Schumann, Deborah C.
core  

Occupational Conditions and Well‐Being Among Informal Waste Pickers in Hong Kong: A Comparative Study of 2018 and 2023

open access: yesAmerican Journal of Industrial Medicine, EarlyView.
ABSTRACT Background Informal waste pickers play a crucial role in urban recycling systems but often face precarious employment and systematic marginalization. This study examines the evolving demographic, occupational, and health trends of informal waste pickers in Hong Kong between 2018 and 2023.
Siu‐Ming Chan   +6 more
wiley   +1 more source

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