“To maximise output, every organisation will strive to obtain its necessary raw materials, labour and machinery at the lowest possible cost and combine them to turn out a product that it will then attempt to sell at the highest possible price... And yet, troublingly, there is one difference between 'labour' and other commodities, a difference that conventional economics does not have a means of representing or giving weight to but that is nevertheless unavoidably present in the world: that labour feels pain.”