Mitsukoshi

The “expanded department store”, and a golf-course venture that spent ¥58bn on land alone (1988)

Key decision·1988· Mitsukoshi — the full company history →

The right question, answered with land, for ten years

For a company drawing 75% of its profit from a single store, wanting a source of earnings outside that store was in itself the right problem to set. When Sakakura Yoshiaki raised the “expanded department store” in the late 1980s — when the “comprehensive lifestyle industry” was in fashion and rivals were extending around their core — he was choosing what the rest of the industry chose. The miscalculation lay less in optimistic forecasts than in the form of the answer. Hotels, sports facilities and golf courses were all businesses of acquiring land and putting up buildings: investment that never came back to the substance of a department store, its assortment and its service.

That said, ¥58bn of losses alone did not sink Mitsukoshi. The ¥36.4bn special loss in the year to February 1999 was a provision against accumulated subsidiary deficits, and a part-time ratio of about 15% against more than 40% at Isetan and Takashimaya was a weight that had piled up with no connection to golf courses at all. In a company where an investment can run for ten years without the previous chairman knowing of it, nobody’s choice is ever checked. The core of the failure lies less in the decision to diversify than in the absence of any mechanism that could stop it.

Revenue and net margin, FY1983–FY1993

Revenue in ¥ bn (bars) and net margin in % (line), for the years around the decision. Shaded columns are FY1988 onwards — after it was taken.

Source: securities reports

Read the full dossier in Japanese →

The Japanese edition carries the complete record of this decision — the situation that forced it, the options weighed, what actually followed, and the sources behind every claim.

Other key decisions at Mitsukoshi


Yen amounts are converted at the average rate of each figure’s own year — not today’s rate; the revenue chart is shown in yen. Exchange rates & sources — the full ¥/US$ table →


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Data API

Mitsukoshi’s history, financials, executives and shareholders are published as static JSON — no key, plain GET. Full specification →

Method Endpoint Returns
GET /api/companies.json All companies
GET /api/8231/manifest.json Resource index
GET /api/8231/history.json History overview
GET /api/8231/timeline.json Chronology
GET /api/decisions.json All management decisions (index)
GET /api/8231/decisions.json Management decisions (index)
GET /api/8231/decisions/{slug}.json One decision (full dossier)
GET /api/8231/executives.json Executives
GET /api/8231/shareholders.json Major shareholders
GET /api/8231/financials.json Financial statements
GET /api/8231/financials-longterm.json Long-term results
GET /api/8231/segments.json Business segments
GET /api/8231/regions.json Sales by region
GET /api/8231/workforce.json Workforce