2026/6/9 · 0:57
The Shrinkflation Trick: Same Box, 20% Less Inside
The package looks identical — but the weight quietly dropped. Here's the unit-price math that reveals the hidden price hike.
Each weekday at lunch, an accountant-meets-behavioral-economist reads one everyday receipt and shows you the pricing trick, the loss leader, or the fake fee hidden in plain sight.
このコンテンツについて、さらに観点や背景を補足しましょう。