Results 61 to 70 of about 543,231 (215)

The Spanish 1898 disaster: the drift towards national-protectionism [PDF]

open access: yes, 1998
An econometric analysis of Spanish aggregate and sectoral data reveals that the loss of the last colonial possessions in 1898 was not, in fact an economic disaster of the catastrophic proportions sorne traditional historians had held.
Escribano, Álvaro   +1 more
core   +1 more source

Gangs, Labor Mobility, and Development

open access: yesEconometrica, Volume 93, Issue 6, Page 2083-2121, November 2025.
We study how criminal organizations affect economic development. We exploit a natural experiment in El Salvador, where these criminal organizations emerged due to an exogenous shift in American immigration policy that led to the deportation of gang leaders from the United States to El Salvador.
Nikita Melnikov   +2 more
wiley   +1 more source

‘Padres de la Patria’ and the ancestral past: commemorations of independence in nineteenth-century Spanish America [PDF]

open access: yes, 2002
This article examines the civic festivals held in nineteenth-century Spanish America to commemorate independence from Spain. Through such festivals political leaders hoped, in Hobsbawm's words, ‘to inculcate certain values and norms of behaviour by ...
Earle, Rebecca
core  

Biofouling reduction by lantern nets exchange and its relationship with production and survival of Argopecten purpuratus in Samanco Bay, Peru

open access: yesJournal of the World Aquaculture Society, Volume 56, Issue 5, October 2025.
Abstract The aquaculture of Argopecten purpuratus (Peruvian scallop) is a profitable activity with positive impacts on the local economy. However, the development of biofouling on the culture lantern nets generates negative environmental impacts that affect its sustainability.
Rómulo E. Loayza‐Aguilar   +3 more
wiley   +1 more source

El rol del azar en las pruebas de opción múltiple

open access: yesRevista de Enseñanza de la Física, 2021
Se presenta una síntesis sobre algunas cuestiones importantes de la evaluación como una etapa fundamental del proceso educativo, destacando su rol instrumental que admite distintas finalidades y modalidades.
César Medina, Sandra Velazco
doaj  

Ionospheric response to the equatorial stratospheric wind

open access: yesGeofísica Internacional, 2004
Chen (1992) reports an association between the variance of the F2 layer critical frequency, foF2var, and the quasi-biennial oscillation, QBO, of the monthly mean zonal wind in the equatorial stratosphere (MMZW) at 40 mb, with data of March and September ...
Marta Zossi de Artigas   +2 more
doaj   +1 more source

Gallbladder cancer: South American experience [PDF]

open access: yes, 2016
Large differences in terms of incidence and mortality due to gallbladder cancer (GBC) have been reported worldwide. Moreover, it seems that GBC has unique characteristics in South America.
Arroyo, Gerardo F.   +2 more
core   +1 more source

Quantification and Determination of Compatible Bacterial Consortia

open access: yesMicrobial Biotechnology, Volume 18, Issue 9, September 2025.
This study presents a mathematical model to identify compatible bacterial consortia by analysing antagonistic and coexistence relationships. Introducing the Bacterial Coexistence Index (BCI), it evaluates bacterial viability. The model identified 36,851 strain sets promoting plant growth, optimising bacterial consortium design for sustainable ...
Jair J. Pineda‐Pineda   +4 more
wiley   +1 more source

Brunelli habla de SOMISA: independencia nacional o mercancía

open access: yesLa Trama de la Comunicación, 1970
"Brunelli habla de SOMISA: independencia nacional o mercancía", es un extracto de la tesis de grado "SOMISA en el discurso de Naldo Brunelli", presentada para la Licenciatura en la carrera de Comunicación Social de la Facultad de Ciencia Politica y Relaciones Internacionales de la UNR, año 2006.Este trabajo propone comparar el discurso de Naldo ...
openaire   +2 more sources

“INDEPENDENCIA EN LAS ACTIVIDADES DE VESTIDO-DESVESTIDO TRAS LA APLICACIÓN DE UN PROGRAMA LÚDICO MEDIANTE UN CIRCUITO TERAPÉUTICO EN NIÑOS CON PARÁLISIS CEREBRAL ESPÁSTICA LEVE Y MODERADA DEL CENTRO DE REHABILITACIÓN INFANTIL DE LA SECRETARIA DE LA DEFENSA NACIONAL”. 2012 [PDF]

open access: yes, 2013
El objetivo general del presente estudio fue determinar el nivel de mejoría en la independencia del área de vestido desvestido en pacientes con parálisis cerebral tipo espástica leve y moderada tras la aplicación de un programa lúdico mediante un ...
Martínez Cosme, Arturo   +2 more
core  

Home - About - Disclaimer - Privacy