Riba equal quantities of the same kind of commodity ("like for like") — for example 100 kilograms of wheat for 100 kg of wheat — in a riba-free transaction called for by quoted ahadith. Or how "divine law" could prescribe that a jeweler — "who has spent his time and effort to convert gold into jewelry" and is taking gold as payment — not be compensated? M.A. Khan also notes that the authors of the IIIE blueprint have no objection to traders selling higher purity/quality commodity for cash and using the proceeds to buying more less purity/quality commodity, and wonders what
Commodity pathway diversion seen as a commodity by one person and something else by another. Such shifts and differences in whether and when a thing is a commodity reveal a moral economy that stands behind the objective economy of visible transactions. In his discussion of commoditization, he also presents the idea of singularization which occurs because "there are things that are publicly precluded from being commoditized…[and are] sometimes extended to things that are normally commodities—in effect, commodities are singularized by being pulled out of their commodity sphere." Kopytoff goes on to describe ways in which commodities can be singularized, for example, through restricted