" Most economics textbooks claim that this system was widespread among primitive cultures before its inefficiencies led to the emergence of money.
Caroline Humphrey argued that this system relies on long-term partnerships based on mutual trust in her analysis of this system in Nepal. David Graeber's book Debt: the First 5000 Years asserts that no examples of this system have ever been found, in contrast to what Graeber calls "the myth of" this system. In The Great Transformation, Karl Polanyi disputed Adam Smith's theory that humans have a natural propensity for this system, which Smith paired with "trucking." William Stanley Jevons criticized this system for relying on a "double coincidence of wants." Most economics textbooks claim that this system was widespread among primitive cultures before its inefficiencies led to the emergence of money. For 10 points, name this economic system in which people exchange goods for other goods.
Caroline Humphrey argued that this system relies on long-term partnerships based on mutual trust in her analysis of this system in Nepal.
barter system [or bartering; prompt on swapping or trading or equivalents]