منابع مشابه
Natural Gas Prices on Three Continents
We investigate the pricing formation of natural gas markets on three different continents (Europe, Asia and North America). We find that natural gas markets showed a strong relationship with the crude oil market between 1992 and 2001 and natural gas prices tended to thermal parity with crude oil prices. From 2002 natural gas markets exhibited a less pronounced relationship with the crude oil ma...
متن کاملGenetic factors in threatened species recovery plans on three continents
Around the world, recovery planning for threatened species is being applied in an attempt to stem the current extinction crisis. Genetic factors linked to small population processes (eg inbreeding, loss of genetic diversity) play a key role in species viability. We examined how often genetic factors are considered in threatened species recovery planning. We selected recent species recovery plan...
متن کاملIntergenerational Occupational Mobility Across Three Continents: Were the Americas Exceptional?
I compare rates of intergenerational occupational mobility across four countries in the late 19th century: (1) 1869-1895 Argentina, (2) 1850-1880 United States, (3) 1851-1881 Britain, and (4) 1865-1900 Norway. There was a sharp divide between Old and New World countries in terms of social mobility: Argentina and the US had similar levels of intergenerational occupational mobility, and these lev...
متن کاملConvergent structure of multitrophic communities over three continents.
Ecological theory predicts that communities using the same resources should have similar structure, but evolutionary constraints on colonisation and niche shifts may hamper such convergence. Multitrophic communities of wasps exploiting fig fruits, which first evolved about 75MYA, do not show long-term 'inheritance' of taxonomic (lineage) composition or species diversity. However, communities on...
متن کاملBetrayal Aversion on Four Continents
Due to betrayal aversion, people take risks less willingly when the agent of uncertainty is another person rather than nature. Individuals in four countries (Brazil, Switzerland, the United Arab Emirates and the United States) confronted either a binary-choice trust game or a risky decision offering the same payoffs and probabilities. Risk acceptance was calibrated by asking individuals their “...
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ژورنال
عنوان ژورنال: Annual Review of Earth and Planetary Sciences
سال: 1986
ISSN: 0084-6597
DOI: 10.1146/annurev.earth.14.1.1