During the 'Price Revolution' of 16th-17th century Europe, what innovative pricing strategy emerged among merchants to cope with rapid inflation?

Before modern retail analytics and dynamic pricing, historical merchants had to navigate complex economic forces that shaped their pricing decisions. From medieval markets to early department stores, pricing strategies evolved alongside economic systems and technological changes. This trivia question explores a fascinating historical pricing phenomenon that had profound effects on retail and commerce.

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Fixed price tags, replacing the traditional haggling system to create pricing transparency
Price discrimination by location, with higher prices in affluent neighborhoods
Dual currency pricing, accepting both silver and gold at different rates
Seasonal markdown calendars, systematically reducing prices for older inventory