Which ancient civilization first introduced fixed retail pricing (as opposed to haggling) in their marketplace system?

Before modern malls and e-commerce, ancient civilizations developed sophisticated retail strategies and innovative market systems. From the complex bazaars of Mesopotamia to the organized commercial districts of Rome, retail has a history stretching back thousands of years. Test your knowledge about how our ancestors approached commerce, product positioning, and retail innovation in ways that still influence modern business practices today.

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Roman Empire
Ancient Egypt
Phoenician merchants
Han Dynasty China