Which revolutionary pricing strategy was first widely adopted by retailers during the Great Depression to combat declining sales?

During the 1930s Great Depression, retailers faced unprecedented challenges that forced innovation in pricing strategies. Many modern discount techniques we take for granted today emerged during this economic crisis as stores desperately tried to maintain sales volume. Test your knowledge about how this historical period shaped retail pricing tactics that continue to influence modern commerce.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Loss leader pricing (selling select items below cost to drive store traffic)
Subscription-based pricing (paying monthly fees for regular product deliveries)
Dynamic pricing (changing prices based on real-time demand)
Freemium model (basic product free with premium features at cost)