The Glass Ceiling Index could change if more women fill the pipeline, the summary suggests, but women are more likely to take breaks from their careers to raise children and, meanwhile, men at the top are more likely to mentor and promote people like themselves. Likewise, double standards that have women criticized for being assertive and ambitious stall women's progress.
"More likely, what will change sooner are the names of the men in charge — fewer Johns and Roberts and more Liams and Noahs," the summary concludes.