Japan Market Radar | Structural Signal: The Economic Life of a Product THE ANOMALY There is an apparently logical idea in international shopping: when two products perform the same task, buying the cheaper one saves money. But purchase price describes only the start of a product's economic life. It tells us nothing by itself about durability, repairs, maintenance, or resale value. A tool costing twice as much can cost less over years of use. A lower-priced tool can also be the better purchase when used infrequently. The question is not only what costs less at checkout. It is what economic value each product preserves over time. TWO ELECTRIC TOOLS Imagine a small workshop assessing two tools. Product A: Japanese-brand tool. Initial purchase ¥30,000. Repairs and spare-parts access are assumed in this scenario. A five-year use period and possible resale are considered. Product B: lower-cost alternative. Initial purchase ¥12,000. Repair availability is uncertain and replacement may be needed within that period. Product B costs 60% less up front. But the five-year comparison can change the result. Hypothetical five-year scenario — NOT measured brand results: - Product A: initial ¥30,000; replacements ¥0; maintenance ¥5,000; recovered resale value ¥10,000; net cost ¥25,000. - Product B: initial ¥12,000; replacements ¥24,000; maintenance ¥2,000; recovered resale value ¥0; net cost ¥38,000. Under these assumptions, A costs ¥13,000 less over five years, about 34.2% less than B's net cost. These are NOT verified prices, failure rates or resale values for any named manufacturer. They isolate variables that sticker-price comparisons ignore. The answer may reverse entirely if B lasts five years without replacement. THE INVISIBLE VARIABLE: RESIDUAL VALUE Suppose A can still be sold after five years. Its owner recovers part of the initial outlay. B might also retain value—but that must be tested through genuine secondary-market demand, spare-parts availability and comparable resale transactions. An asking price does not prove that a sale occurred. Products similar on day one can occupy different economic positions at the end of year five.