Results 91 to 100 of about 225,328 (251)

Targeted Trade Policy Instruments and Climate Change Mitigation: The Case of Environmental Provisions in Trade Agreements

open access: yesAustralian Journal of Agricultural and Resource Economics, EarlyView.
ABSTRACT This article examines the effect of including environmental provisions (EPs) in preferential trade agreements (PTAs) on climate change mitigation and explores whether these effects vary based on the heterogeneity of the EPs. Our analysis combines country‐level data on climate change mitigation with details on 300 types of EPs in 775 trade ...
Petros Suzgo Kayovo Mkandawire   +2 more
wiley   +1 more source

The Emberá, tourism and indigenous archaeology: "rediscovering" the past in Eastern Panama [PDF]

open access: yes, 2012
En este artículo nos referimos al interés de los Emberá (un grupo indígena Amerindio) en adquirir conocimientos de los restos materiales del pasado - como fragmentos cerámicos coloniales y prehispánicos - que se encuentran fácilmente en el Panamá ...
Mendizábal, Tomás   +1 more
core   +1 more source

Evaluation of Lightning Impulse Test by Frequency Response Analysis [PDF]

open access: yes, 2006
In this work are presented the basis for improving the interpretation of transformer lightning impulse test and the development of a graphical user interface system, which allows comparisons of time domain data and frequency response.
Ramírez, Jorge, Valecillos, Baudilio
core   +3 more sources

Global Inequality of Opportunity in Education Decreased During the 20th Century

open access: yesThe British Journal of Sociology, EarlyView.
ABSTRACT We document changes in global inequality of opportunity in education for women and men born between 1941 and 1983, using individual‐level census and survey data on 46.7 million individuals from 95 countries, representing all major regions of the world.
Michael Grätz   +2 more
wiley   +1 more source

Concepciones alternativas sobre los conceptos de energía, calor y temperatura de los docentes en formación del Instituto Pedagógico en Santiago, Panamá / Alternative conceptions about the concept of energy, heat and temperature in the students from the...

open access: yesActualidades Investigativas en Educación, 2012
El artículo presenta los resultados de una investigación realizada en el año 2009 en el Instituto Pedagógico Superior Juan Demóstenes Arosemena. La metodología utilizada en el estudio es del tipo descriptiva cuantitativa y se utilizó una prueba de ...
Viterbo Rodríguez, Susana Díaz-Higson
doaj   +1 more source

Acoustic indices are not useful for biodiversity research

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract Biodiversity assessment using passive acoustic monitoring has historically been challenging due to the limited availability of multi‐species acoustic detectors. In this context, acoustic indices were introduced as an alternative way to represent species diversity in acoustic datasets.
Larissa S. M. Sugai   +6 more
wiley   +1 more source

Trade-offs Between Water Transport Capacity and Drought Resistance in Neotropical Canopy Liana and Tree Species [PDF]

open access: yes, 2016
In tropical forest canopies, it is critical for upper shoots to efficiently provide water to leaves for physiological function while safely preventing loss of hydraulic conductivity due to cavitation during periods of soil water deficit or high ...
De Guzman, Mark E.   +3 more
core   +1 more source

Tax Planning Under Pressure: The Impact of Carbon Emissions Management Post‐Paris Agreement

open access: yesAccounting &Finance, EarlyView.
ABSTRACT We examine how the Paris Agreement affects corporate tax planning across a global data set. We find that emissions‐reducing firms are associated with higher levels of tax planning than nonemissions‐reducing firms. The effect is stronger for firms facing tighter cost pass‐through constraints, such as operating in more competitive markets, with ...
Aonan (Sistine) Sun   +3 more
wiley   +1 more source

El papel del mar y de las costas en el Panamá pre-hispánico y del periodo del contacto: redes locales y relaciones externas

open access: yesRevista de Historia, 2001
Introducción La privilegiada situación geográfica de Panamá ha servido para otorgarle los epítetos turísticos de "puente del mundo" y "crisol de raza", perogrulladas, por cierto, que no obstante reflejan el hecho de que esta angosta franja de tierra ...
Richard G. Cooke, Luis Alberto Sánchez
doaj  

Primera cita del género Neuroterus Hartig (Hymenoptera, Cynipidae, Cynipini) para América Central, con descripción de tres especies nuevas de Panamá y Costa Rica

open access: yesGraellsia, 2017
Se describen tres nuevas especies del género Neuroterus Hartig, 1840 (Hymenoptera: Cynipidae: Cynipini) de Panamá y Costa Rica: Neuroterus elvisi sp. n., Neuroterus pulchrigalla sp. n. y Neuroterus glandiphilus sp. n..
E. Medianero, J. L. Nieves-Aldrey
doaj   +1 more source

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