To use an example from another industry, look at the iPhone. The price of the new phone signals its place as a premium phone in the market. It's much more expensive than most android competitors, and the price sends a signal that this is "premium" and "desirable." Apple tries to hit a consistent price target year-over-year, despite fluctuations in the Dollar vs Chinese RMB, despite increases in transportation pricing, and despite inflation. They start with a price target, and then design the phone to meet that target. Consumers who always buy the latest phone don't have to wonder whether or when it will go on sale, and they know they can't gain much by shopping around.
Shun goes on sale more than Apple, but Shun wants to signal to consumers that their 7" Chef knife
really is a $200 value, that it really is a premium product and really does occupy the upper quality and price stratum of the factory-made kitchen knife market. Consumers know what to expect from a $200 knife at Williams Sonoma, and even if the last knife they bought was 5 years ago, they still walk in looking for that particular $200 price point.
If Shun were to let the price go up and down with the Yen, with inflation, and with the cost of energy, the knife would start to look like a commodity, like potatoes or lumber. The sticker price would stop being a pure signal of "shun quality," and start signaling instead other conflicting economic factors.
I think you could build a chart like this for Wüsthof Ikon and Shun Premier, showing similar multi-year price stability.
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