A 6 year study shows which CEOs are pushing RTO mandates: The ones with the biggest egos

In today’s CEO Daily: The one trait that really explains the Fortune 500’s return-to-office drive

The big leadership story: What New York City’s progressive Congressional victories mean for business leaders

The markets: Asia semiconductor shares come roaring back

Plus: All the news and watercooler chat from Fortune.

Good morning. Claire Zillman writing from London this morning. CEOs have offered many different reasons for calling workers back into the office—despite research that suggests working from home can be as effective, if not more effective, than in-office work. Amazon’s Andy Jassy says in-person collaboration is “simpler and more effective.” Jamie Dimon calls Zoom-heavy work “management by Hollywood Squares.” Instagram’s Adam Mosseri says five days in-office breeds creativity. Larry Fink even floated the idea that getting bodies back in chairs could help beat inflation.

These are the arguments CEOs have made publicly. But a new study suggests there’s a less flattering explanation that nobody has put in a memo. A Wharton study co-authored by organizational psychologist Adam Grant found that leader narcissism is directly associated with resistance to remote work. The main reason? Power is easier to perform in person.

In the six-year study, researchers collected data on Fortune 500 CEOs, using behavioral proxies—signature size, photo........

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