How Will Increasing Passive Investment Affect Market Efficiency?

Writing for Bloomberg View, Stony Brook professor Noah Smith asks, “As passive [investing] takes over more and more of the asset-management universe, will the market become more efficient or less?” To get there, he begins by noting the “stunning” and ongoing “shift from active to passive investment management” may be “the biggest story in the finance industry during the past decade.” The graph below illustrates the change. He suggests that the development may result in… Read More