Results 81 to 90 of about 289,430 (341)

The nexus between socio-demographic factors and participation of special groups in public procurement of works in local government authorities

open access: yesInternational Journal of Academe and Industry Research
Examining the nexus between socio-demographic factors and the participation of special groups in the public procurement of work is essential to inform policymakers and stakeholders in the Local Government Authorities (LGAs) in Tanzania about the need for
Ester Ryoba   +2 more
doaj   +1 more source

Effect of Speculators’ Position Changes on the LME Futures Market

open access: yesInternational Journal of Financial Studies, 2019
This paper employs Granger causality tests to analyze the role of speculators using weekly COTR (commitment of traders reports) data covering the period of August 2014 to July 2017.
Jaehwan Park
doaj   +1 more source

Cu‐Based MOF/TiO2 Composite Nanomaterials for Photocatalytic Hydrogen Generation and the Role of Copper

open access: yesAdvanced Functional Materials, EarlyView.
HKUST‐1/TiO2 composite materials show a very high photocatalytic hydrogen evolution rate which increases as a function of the irradiation time until reaching a plateau and even surpasses the performance of the 1%Pt/TiO2 material after three photocatalytic cycles.
Alisha Khan   +9 more
wiley   +1 more source

Information quality and supply chain performance: The mediating role of information sharing

open access: yesSupply Chain Analytics, 2023
This paper brings to light the powerful connection between buyer and supplier relationships in terms of information sharing, information quality, and supply chain performance.
George Kankam   +3 more
doaj  

Medical Supply Acquisition in Italy and the United States in the Era of COVID-19: The Case for Strategic Procurement and Public–Private Partnerships

open access: yes, 2020
The article analyzes contracting challenges faced by Italian health care authorities and U.S. procurement officials in the immediate aftermath of the COVID-19 crisis, and it provides practitioner-derived lessons for improving procurement in times of ...
V. Vecchi   +2 more
semanticscholar   +1 more source

Microplate Active Migration Emerging From Light‐Induced Phase Transitions in a Nematic Liquid Crystal

open access: yesAdvanced Functional Materials, EarlyView.
A quasi‐2D, light‐absorbing platelet embedded in a thermotropic nematic liquid crystal is activated with light irradiation. Depending on the light intensity, the platelet induces a localized nematic‐isotropic phase transition that triggers the motion. Using different confinements, the platelet can glide in a 2D regime or tilt and glide in a 3D regime ...
Antonio Tavera‐Vázquez   +6 more
wiley   +1 more source

Increasing Turkey's power system flexibility for grid integration of 50% renewable energy share

open access: yesEnergy Strategy Reviews, 2021
Secure and reliable operation of power systems with high wind and solar shares requires system flexibility. In this paper, an hourly-based market and grid simulation model is developed to assess security and reliability of a power system with high wind ...
D. Saygin   +4 more
doaj  

Functional procurement for innovation, welfare, and the environment

open access: yesScience and Public Policy, 2020
Public procurement accounts for a very large share of most economies worldwide. This conceptual article argues that the key to achieving more innovations when pursuing public procurement is to describe problems to be solved or functions to be fulfilled
C. Edquist, J. Zabala‐Iturriagagoitia
semanticscholar   +1 more source

Procurement Design with Corruption [PDF]

open access: yesAmerican Economic Journal: Microeconomics, 2017
I investigate the design of optimal procurement mechanisms in the presence of corruption. After contracting with the sponsor, the contractor may bribe the inspector to misrepresent quality. The mechanism affects whether bribery occurs. I discuss the cases of both fixed and variable (with the size of misrepresentation) bribes, and also uncertainty ...
openaire   +5 more sources

The Problems of In-House Procurement in Lithuanian Public Procurement

open access: yesACTA PROSPERITATIS, 2023
Abstract Although the in-house procurement, as an exception to public procurement process, have existed in Lithuanian law for more than a decade and the European Union has expressed a clear positive position on the issue by legalize it in international level with Directive 2014/24/EU, but this legal institute still is not analysed enough
openaire   +2 more sources

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