“If men avoid working or traveling with women alone, or stop mentoring women for fear of being accused of sexual harassment,” he said, “those men are going to back out of a sexual harassment complaint and right into a sex discrimination complaint.”

Channeling Pence

While the new personal codes for dealing with #MeToo have only just begun to ripple, the shift is already palpable, according to the people interviewed, who declined to be named. They work for hedge funds, law firms, banks, private equity firms and investment-management firms.

For obvious reasons, few will talk openly about the issue. Privately, though, many of the men interviewed acknowledged they’re channeling Pence, saying how uneasy they are about being alone with female colleagues, particularly youthful or attractive ones, fearful of the rumor mill or of, as one put it, the potential liability.

A manager in infrastructure investing said he won’t meet with female employees in rooms without windows anymore; he also keeps his distance in elevators. A late-40-something in private equity said he has a new rule, established on the advice of his wife, an attorney: no business dinner with a woman 35 or younger.

The changes can be subtle but insidious, with a woman, say, excluded from casual after-work drinks, leaving male colleagues to bond, or having what should be a private meeting with a boss with the door left wide open.

‘Not That Hard’

On Wall Street as elsewhere, reactions to #MeToo can smack of paranoia. “Some men have voiced concerns to me that a false accusation is what they fear,” said Zweig, the lawyer. “These men fear what they cannot control.”

There are as many or more men who are responding in quite different ways. One, an investment adviser who manages about 100 employees, said he briefly reconsidered having one-on-one meetings with junior women. He thought about leaving his office door open, or inviting a third person into the room.

Finally, he landed on the solution: “Just try not to be an asshole.”