Christian Dreyer, CFA, is an independent analyst and investor who is interested in the epistemology of markets. He was CEO of CFA Society Switzerland until recently. His volunteering activities include serving as the first chair of the Capital Markets Advisory Committee to the IFRS Board and as a member of the XBRL Advisory Council to the IFRS Foundation.
The explanatory power of the financial information reported to investors for market valuation has plummeted in recent decades.