Some women avoid wearing skirts for fear of attracting unwanted attention. Others trade whispered tips about overly forward bosses. A 2008 internal review found few restraints on the conduct of senior managers, concluding that “the absence of public ethics scandals seems to be more a consequence of luck than good planning and action.”

This is life at the International Monetary Fund, the lender of last resort for governments that need money and, under the leadership of Dominique Strauss-Kahn, an emerging force in the regulation of the global economy…

Interviews and documents paint a picture of the fund as an institution whose sexual norms and customs are markedly different from those of Washington, leaving its female employees vulnerable to harassment. The laws of the United States do not apply inside its walls, and until earlier this month the I.M.F.’s own rules contained an unusual provision that some experts and former officials say has encouraged managers to pursue the women who work for them: “Intimate personal relationships between supervisors and subordinates do not, in themselves, constitute harassment.”