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查理·芒格:芒格 1994 年南加大演讲·补录 23

查理·芒格《《关于基本世俗智慧的演讲》》· USC Business School, 1994 · 财富 · 投资 · 行动 · 领导

In all cases, the people who sell the machinery—and, by and large, even the internal bureaucrats urging you to buy the equipment—show you projections with the amount you'll save at current prices with the new technology. However, they don't do the second step of the analysis which is to determine how much is going stay home and how much is just going to flow through to the customer. I've never seen a single projection incorporating that second step in my life. And I see them all the time. Rather, they always read: "This capital outlay will save you so much money that it will pay for itself in three years."

出处: https://web.archive.org/web/20140625062802/http://ycombinator.com/munger.html
定位:Archived transcript, additional excerpt 23 · 核对日期:2026-10-19 · 核验:短摘录

白话

卖设备的人,包括公司里催你买设备的人,通常只给你看第一步:按现在的价格,新技术能省多少钱。他们从不做第二步分析:省下的钱有多少能留在自己口袋,有多少会通过降价流给客户。芒格说他一辈子没见过一份预测做了第二步,但这类预测天天见,永远写着“这笔投资三年回本”。所以听到这种话要警惕:省下的成本未必是你的利润,得看竞争会不会逼你降价。

上下文

芒格1994年在南加州大学商学院演讲,批评资本开支预测只算省钱、不算竞争外溢。

今日一问

你最近看到的“三年回本”方案,有没有算过省下的钱会不会被竞争抢走?

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