Cartels come in many shapes and sizes.
There are Colombian drug cartels. Mafia protection cartels. Oil producer cartels. Diamond cartels. Commodity cartels. Central banks. Altcoin cartels. All sorts.
All of them, however, extract value from potentially low-value things by means of organised collusion and discipline.
Columbian drug cartels organise to ensure drug markets are not oversupplied by wiping out the competition. The mafia organises to extract rents from those who would otherwise not be inclined to pay them, mostly by imposing an artificial market for protection. Oil producers organise to ensure oil markets are not oversupplied for the best possible return from oil prices. Diamond cartels do the same , but since diamonds are not an essential commodity they also create fanciful myths about diamonds being a girl’s best friend to create continuos demand. Central banks control the money supply, and thanks to that can corner and support any market they wish for as long as their underlying currency is demand. Read more