NISHIO Hirokazu[Translate]
投資と回収のゲーム
決まった額を投資して、収益増加が徐々に減る
収益の増加は一定で、必要な投資額が徐々に増える

曲線がS字である場合の議論
"Engineer's way of creating knowledge" the English version of my book is now available on [Engineer's way of creating knowledge]

(C)NISHIO Hirokazu / Converted from [Scrapbox] at [Edit]