Which company first implemented large-scale computerized dynamic pricing (yield management) in the retail sector, fundamentally changing pricing strategy approaches?

Dynamic pricing strategies have revolutionized how companies maximize profits and manage inventory. This pricing approach uses algorithms to adjust prices in real-time based on market demand, competitor pricing, customer behavior, and other factors. While now commonplace in industries like airlines, hospitality, and e-commerce, the origins of modern algorithmic dynamic pricing have interesting historical roots. Test your knowledge about when this transformative pricing strategy first emerged at scale in retail.

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American Airlines (1985)
Amazon.com (1999)
Walmart (1991)
Sears (1978)