Results 21 to 30 of about 14,558 (178)

El comportamiento del precio del petróleo y la volatilidad en la tasa de cambio: análisis de impacto de las variaciones del WTI y de la tasa de interés referencia sobre la tasa de cambio nominal en Colombia, periodo 2013-2015

open access: yesTendencias, 2017
El objetivo de esta investigación reside en relacionar la tasa de interés de referencia, las cotizaciones del precio del petróleo y la tasa de cambio nominal, para determinar en qué medida cada una de estas variables exógenas afectan la tasa de cambio ...
Marcelo Meneses Rivera   +2 more
doaj   +1 more source

The Importance of Being Imperfect: Structure and Function of Bacterial Amyloid

open access: yesAdvanced Science, Volume 13, Issue 4, 19 January 2026.
Functional bacterial amyloids such as CsgA and FapC have been widely studied to understand the relationship between aggregation and function. The recently solved structure of FapC reveals a Greek‐key motif in which extensive hydrogen bonding and packing interactions formed by residues in conserved imperfect repeats stabilize a β‐solenoid core.
Samuel Peña‐Díaz   +12 more
wiley   +1 more source

The Propensity of Rural Youth to Take Rain‐Fed Smallholder Farming as Their Livelihood Strategy in KwaZulu‐Natal (South Africa): A Multinomial Logit Analysis

open access: yesPoverty &Public Policy, Volume 17, Issue 4, December 2025.
ABSTRACT With most unemployed youth residing in rural areas of South Africa, incentivising youth participation in smallholder farming can help address the increasing youth unemployment crisis. The study integrated the theory of planned behavior and the sustainable livelihood framework to investigate the factors influencing rural youth participation in ...
Humbulani Portia Rambuda   +2 more
wiley   +1 more source

¿CUÁL ES LA EVIDENCIA EMPÍRICA DEL EFECTO FISHER EN LA ECONOMÍA COLOMBIANA,1980-2000?

open access: yesCuadernos de Economía, 2001
En este trabajo se hace un análisis sobre el Efecto Fisher para el caso colombiano durante el período 1980-2000 a partir de la información trimestral de la tasa de interés nominal y de la tasa de inflación.
Héctor Cárdenas   +1 more
doaj   +2 more sources

Role of aspirin therapy in modulating uterine artery resistance and placental growth between first and second trimesters of pregnancy

open access: yesUltrasound in Obstetrics &Gynecology, Volume 66, Issue 5, Page 641-648, November 2025.
ABSTRACT Objective To evaluate the impact of low‐dose aspirin (LDA) on placental size and uterine artery pulsatility index (UtA‐PI) by analyzing longitudinal changes between the first and second trimesters in pregnancies at high risk for early‐onset pre‐eclampsia (PE).
C. Trilla   +7 more
wiley   +1 more source

La tasa de interés forward como predictora de la tasa de interés futura: una aproximación al caso chileno [PDF]

open access: yes, 1984
Este artículo presenta algunos resultados acerca de la estructura en el tiempo de la tasa de interés en Chile. La primera sección está dedicada a presentar las distintas teorías sobre la relación entre la tasa de interés forward y la tasa futura, que ...
García Ossa, Víctor Manuel
core  

Modulating Surfactin Biosynthesis in Bacillus subtilis R31 Enhances Behavioural Traits and Biocontrol Efficacy Against Banana Fusarium Wilt

open access: yesMicrobial Biotechnology, Volume 18, Issue 11, November 2025.
This study demonstrates that the production of surfactin by B. subtilis R31 needs to be balanced. Excessive surfactin will weaken the colonisation ability and disease control effect of the strain. By targeting the regulation of the surfactin signalling pathway, synthetic microbial communities can be designed for sustainable disease control.
Hao‐Jun Chen   +10 more
wiley   +1 more source

Rentas contingentes con base en tablas de mortalidad dinámicas y tasa de interés estocástica [PDF]

open access: yes, 2016
En este documento se estudian las rentas contingentes abordando el concepto de supervivencia a partir de tablas de mortalidad dinámicas, viendo la predicción adecuada de las probabilidades de muerte como uno de los ejes centrales en la reducción del ...
Acero Figueredo, Diego Alberto
core  

La tasa de interés natural en América Latina

open access: yes, 2019
La tasa de interés natural es un elemento crítico en la evaluación de la postura de la política monetaria. El artículo presenta la estimación de la tasa de interés natural en las 5 economías más grandes de América Latina.
Gómez-Pineda, Javier G.
core   +1 more source

A Quantitative Analysis of 21st Century Skills: A Case of Semantic and Psychometric Overlap

open access: yesInternational Journal of Selection and Assessment, Volume 33, Issue 4, November 2025.
ABSTRACT While the concept of 21st century skills has become omnipresent, there is little consistency regarding the terms, definitions, or measurement instruments used, causing a problem for personnel selection policies as well as education and training.
Gabrielle Teyssier‐Roberge   +3 more
wiley   +1 more source

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