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).
EU-funded scientists are working to improve short-term forecasts for direct solar radiation and coming cloudiness. Reliable estimations will greatly benefit the solar energy sector, leading to decreased costs and massive deployment of renewable energy technologies.
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