サンクコスト社会の終焉 ― 昔は正解、今は罠

ビジネス日本語講座 · Jan 31, 2026 · 7m

This episode explores how Japanese society was once designed around sunk costs—and why that logic no longer works. In the past, lifetime employment, seniority-based pay, and steady economic growth made long-term sacrifice a rational investment. Today, those same sacrifices often become unrecoverable losses. The rules of the game have changed, but the mindset has not. By reframing sunk costs as a structural issue rather than a personal failure, this talk explains why so many people feel trapped despite “doing everything right.” The pain many experience today is not individual weakness, but a…