Tag Archives: market efficiency

Proximate Cause

Our colleagues at S&P Global Market Intelligence recently completed a paper analyzing the impact of exchange-traded funds on stock-level pricing.  Their work found that “…the impact of ETF trading is transient and of only a modest magnitude under even extreme assumptions” (my italics).  This conclusion is a rebuttal to critics who believe that the growth Read more […]

Worse Than Marxism?

The investment community was bombarded last week with a paper arguing that passive investing is “worse than Marxism.”  That any putatively-serious observer can compare an investment strategy, even one he doesn’t like, with a political ideology responsible for the deaths of millions boggles the imagination, but maybe I’m just too sensitive.  The paper’s argument seems Read more […]