Credit

Consumerism
consumer capitalism, consumerism, subscriptions, subscription services, consumers, consumer products, shrinkflation, inflation, Consumer Price Index (CPI)
Marxian economics
Marxists, materialism, Marxism, revolutionary socialism, worker coops, revolutionary socialists, revolutionaries
Money sequence of value
the life sequence of value, the death sequence of value, globalization
bu.edu
Money supply
Occupy Wall Street, inflation, money printing, currency, transactions
Numismatics
Numismatics, numismatists, study of money, study of coins, medals, metals, coin collectors, collect coins
Paper money
Fiat currency, gold, silver, copper, iron bars, pearls, salt, coins