The positive economics of ‘leaning in’—economists estimate that that between 1960 and 2008, about 15% to 20% of the growth in productivity, or output per hour of work, came from removing the barriers that blocked many white women and blacks of both genders from realizing their potential

by David Wessell

In case you missed the 43-year-old Facebook executive speaking with Oprah or on the cover of Time, the thesis of her “Lean In” book is this: We have educated a generation of women well, but too few make it to the top rungs. That’s partly because of societal barriers and subtle biases remain, partly because of women’s behavior.