The paper compares existing river ecology concepts with current approaches to describe river biogeochemistry, and assesses the value of these concepts and approaches for understanding the impacts of interacting global change disturbances on river biogeochemistry.

UNESCO: NATURAL SCIENCES

Quite how big this might be is tricky to estimate, as banks use different approaches to assign value to their hedges.

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Now you could be faced with two demands: potential sellers could realize that they are under pricing their wares and dramatically raise the price, or potential buyers could quickly bid up a toy to something that approaches its fair market value or beyond, creating a bubble.

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Working within these messy, complex, for-profit companies these intrapreneurs are daring to try new approaches to create long-term value for shareholders, customers, communities and the planet.

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According to Maples, he and Miura-Ko are highly complementary: while he is continually optimistic and quick to believe what he sees, she is value-oriented and, like us, approaches venture capital investments by assimilating mountains of data.

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Because these convoluted, complicated approaches are the result of faulty economic theory, which posits that a currency's value is directly tied to a government's fiscal policies.

FORBES: Fact and Comment