Recent articles suggest that the economic costs of harassment are staggering. But the data to prove the case ranges from patchy to nonexistent. And that in itself tells us something. We count the things we value, such as the Consumer Price Index, the unemployment rate, and batting averages. It’s clear that women’s contribution to the economy is not one of those things.

This week, the world’s leaders, CEOs, and philanthropists (including my husband) are meeting in Davos, Switzerland at the World Economic Forum. I have a request for them: take concrete steps and develop a plan during your four-day conference to fill these data gaps.