Hidden costs to society are not - yet - part of the market price for commodities. However, IDH notes, there are social costs involved in the production of commodities, such as underpayment of workers, health and safety accidents, child labour, forcedlabour, gender discrimination, harassment and lack of freedom of association. There are also environmental costs such as land use, air, soil and water pollution, energy and material use. By adding these costs to the sales price, a 'true price' was calculated.
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