スターリンから毛沢東に至るまで、旧来の中央計画経済の立案者たちは皆、同じ問題に直面した。計画経済システムは機能しないという問題だ。
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企業が巨大化すればコストを削減し、より優れた製品への投資や世界的な競争ができる。だが、ある最新の論文は、これが米経済成長や賃金、労働参加率を圧迫してきたと主張している。
表面上は穏やかに見えるアマゾンの商品ページだが、その裏側にはまるで株式市場のような世界が存在する。AIが値動きを決めることもある。
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Every parent has lost their temper with his or her child. In fact, researchers say there are signs parental yelling is on the rise. Sue Shellenbarger has the latest research on how to avoid blowing up, and mother of two Leigh Fransen shares her story. Photo: AP. 親なら誰しも時には自制心を失い、子供を怒鳴りつけてしまうことがある。しかし、繰り返し子供を怒鳴りつけることに弊害はないだろうか。 Copyright ©2024 Dow Jones & Company, Inc. All Rights Reserved. 87990cbe8
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