Results 71 to 80 of about 181,742 (299)

An Infinite Number of Closed FLRW Universes for Any Value of the Spatial Curvature

open access: yes, 2011
The Friedman-Lemaitre-Robertson-Walker (FLRW) cosmological models are based on the assumptions of large-scale homogeneity and isotropy of the distribution of matter and energy.
Efimov N. V.   +4 more
core   +1 more source

Growth of Omnichannel Grocery Retailing and Food Prices

open access: yesAgribusiness, EarlyView.
ABSTRACT This paper examines the effects of the growth of omnichannel grocery retailing on food prices. We first develop a conceptual model of consumer choice and retailer pricing that allows us to evaluate changes in equilibrium prices, quantities, and profits with online channel growth and alternative pricing strategies.
Xiangwen Kong   +2 more
wiley   +1 more source

The use of chloroplast genome sequences to solve phylogenetic incongruences in Polystachya Hook (Orchidaceae Juss) [PDF]

open access: yes, 2018
Background: Current evidence suggests that for more robust estimates of species tree and divergence times, several unlinked genes are required. However, most phylogenetic trees for non-model organisms are based on single sequences or just a few regions ...
Acosta   +60 more
core   +2 more sources

Traceability of Agri‐Food Products: The Key to Conscious Trade

open access: yesAgribusiness, EarlyView.
ABSTRACT Globalization and growing concerns about sustainability have led to improvements in product traceability, quality, and sustainability. Traceability contributes to environmental protection and supports sustainable development by fostering transparency in agricultural practices and encouraging the responsible use of resources.
Scarlett Queen Almeida Bispo   +5 more
wiley   +1 more source

Return and Volatility Spillovers Among Major Cotton Markets

open access: yesAgribusiness, EarlyView.
ABSTRACT This study explores return and volatility transmission among major cotton markets. Several events have disrupted cotton supply and demand in recent years, leading to heightened price volatility and significant shifts in market interconnections.
Susmitha Kalli   +3 more
wiley   +1 more source

Um panorama da literatura relevante sobre Itaipu

open access: yesMeridiano 47, 2017
The Brazilian-Paraguayan hydroelectric of Itaipu is considered an important milestone in the relations between Brazil and Paraguay, as it has created a permanent bond between the two countries.
Tomaz Espósito Neto
doaj  

The Defense-Development Nexus: Brazilian Nuclear Policy under the Workers’ Party Administrations

open access: yesRevista Brasileira de Política Internacional, 2018
Focusing on the Workers’ Party administrations (2003-2016), we claim that, among other crucial ideas and interpretations, the framing process of the Brazilian nuclear program by the ruling elites can be understood through the notion of a mendes ...
Monica Herz   +2 more
doaj   +1 more source

The Role of Certifications in Improving Household Food Security Among Peruvian Farmers

open access: yesAgribusiness, EarlyView.
ABSTRACT Achieving global food security requires sustainable transformations in agri‐food systems. Voluntary Sustainability Standards (VSS) such as Organic and Fairtrade aim to internalize certain social and environmental costs while promoting more equitable value distribution, improved market access, and sustainable production practices.
Lisa‐Marie Schulte, Awudu Abdulai
wiley   +1 more source

A Guerra Contra o Paraguai: História e Historiografia: Da instauração à restauração historiográfica [1871-2002]

open access: yesNuevo mundo - Mundos Nuevos, 2009
This paper focuses on the origin of the Brazilian historiography about the War of Paraguay. It is divided into three historical moments, beginning with the instauration of national-patriotic historiography, written especially by Brazilian officers who ...
Mário Maestri
doaj   +1 more source

World Trade & U.S. Jobs [PDF]

open access: yes, 1989
[Excerpt] It has become obvious to everyone in and around the U.S. labor movement that our problems involve the global arena. Hundreds of thousands of trade unionists have seen their employers shut down plants and shift production overseas.
Bensman, David
core   +1 more source

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