Results 41 to 50 of about 72,802 (258)
Costos de transacción económica: análisis de una experiencia real de venta en línea de alimentos
e-Agronegocios, 2020 El objetivo de este artículo es estimar la percepción del tiempo invertido en compras de alimentos por Internet, esto para aproximar los costos de transacción económica en este tipo de intercambios. También
M.Sc. Alexis Villalobos Monge +3 more
doaj +1 more source
Productividad de maíz (Diamantes 8843) bajo diferentes densidades de siembra y dosis de nitrógeno
Agronomía Mesoamericana, 2022 Introducción. En Costa Rica, el maíz (Zea mays) forma parte de la dieta de la población. Sin embargo, se ha reducido el área de siembra, debido a políticas comerciales y al reducido conocimiento del manejo agronómico del cultivo. Objetivo.
Wendy Lázaro-Rojas +5 more
doaj +1 more source
IMF Staff Country Reports, 2002 This Selected Issues paper examines recent economic developments and economic growth in Costa Rica. The paper highlights that real GDP growth of Costa Rica slowed to 1.7 percent, from more than 8 percent a year in 1998–99, reflecting in part deterioration in the terms of trade, the end of the construction phase of a large foreign direct investment ...
openaire +1 more source
Market‐Based Nutrition Regulation and Adult BMI Dynamics in Latin America
Agribusiness, EarlyView.ABSTRACT Market‐based nutrition policies, including interpretative labeling systems and taxes on sugar‐sweetened beverages (SSBs), have been widely adopted across Latin America to influence dietary choices and address rising obesity rates. While prior research documents change in food purchasing and product reformulation following these policies ...
Emiliano Lopez Barrera, Grace Melo
wiley +1 more source
Agribusiness, EarlyView.ABSTRACT Since the final decade of the 20th century, Latin American countries have increasingly regarded the signing of regional trade agreements (RTAs) as a promising strategy for expanding their exports. Within this context, the main objective of this study is to assess the impact of RTAs on agri‐food exports in Latin America over the period 1990 ...
María‐Isabel Ayuda +2 more
wiley +1 more source
The dystrophinopathies in Costa Rica
Revista de Biología Tropical, 2014 A five-years long study aiming to describe the basic genetic epidemiology of the dystrophinopathies in Costa Rica recruited 31 patients with clinical symptoms of DMD/BMD at the National Children's Hospital (HNN). This center is the obligate reference hospital of the national health system for genetic diseases, however, the geographic origin of the ...
openaire +8 more sources
Vertical Price Transmission in Food Markets: New Evidence From Meta‐Analysis
Agribusiness, EarlyView.ABSTRACT A growing body of empirical research has examined price dynamics along the food supply chain, yet findings remain heterogeneous and often conflicting. This study conducts a meta‐analysis of 140 studies, totaling 652 observations, to examine (1) the reported presence of asymmetric price transmission and (2) the reported direction of price ...
Sushan K C +2 more
wiley +1 more source
Estudios EconómicosEl objetivo de este estudio es conceptualizar el término “emergía” y el procedimiento metodológico utilizado para evaluar la utilización de recursos en la generación de bienes y servicios, conocido como síntesis emergética, junto con sus implicaciones ...
Wilson Muñoz Valerio +4 more
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A Computational Approach for Biomimetic Design of Liver‐On‐A‐Chip
Advanced Intelligent Discovery, EarlyView.A biomimetic liver‐on‐a‐chip with antiparallel perfusion was designed using COMSOL‐guided simulation to replicate hepatic acinus transport. Full‐scale modelling revealed diffusion‐dominated, length‐dependent nutrient gradients and low‐shear conditions.
Zhenxu Yang +9 more
wiley +1 more source
Población y Salud en MesoaméricaIntroducción: Diversos estudios han identificado la exposición a dióxido de nitrógeno (NO2), material particulado (PM10) y otros contaminantes como factor de riesgo para la incidencia de trastornos mentales.
Mónica Jiménez Seas +3 more
doaj +1 more source