Which pricing strategy innovation, first widely implemented by Southwest Airlines in the 1970s, revolutionized the airline industry and was later adopted by most carriers worldwide?

The transportation industry has witnessed numerous pricing innovations that have revolutionized how companies compete and customers pay. From surge pricing to subscription models, pricing strategies have fundamentally altered market dynamics. This poll tests your knowledge about a significant pricing breakthrough that changed an entire transportation sector and created new business models worldwide.

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Tier-based pricing where customers pay for specific amenities (baggage, seat selection, meals) separately from the base fare
Yield management systems that adjust ticket prices in real-time based on demand, competitor pricing, and remaining inventory
Point-to-point pricing with no penalties for one-way tickets, eliminating the traditional round-trip fare requirement
Loyalty program pricing that offers significant discounts to repeat customers based on accumulated miles flown