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What foods do poor people buy when they have a bit more money? What you might expect, but not as much of it as you might expect.

A chicken has two wings, two legs, two breasts; how does the market cope when all people want is wings?

Speculators can actually drive prices higher, which was news to me

Wheat was money, when a store was no more than a store of goods to be exchanged for wheat.

Moving wheat from where it grows to where it is eaten shaped the world