Trade involves the transfer of goods or services from one person or entity to another, often in exchange for money. A system or network that allows trade is called a market.
The product of mental labor — science — always stands far below its value, because the labor-time necessary to reproduce it has no relation at all to the labor-time required for its original production.
Karl Marx Addenda, "Relative and Absolute Surplus Value" in Economic Manuscripts (1861–63).
Wind is, together with photovoltaic power systems, the most important renewable energy source. New floating offshore wind energy technology as in DEEPWIND, tackling the challenge of deep-sea installations, could significantly enhance uptake and have major impact on emissions reductions.
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