ABSTRACT Research has long recognized that institutional investors possess significant information processing advantages. Yet even these investors face limited‐attention constraints, implying that periods of distraction may attenuate their advantage. We examine the effects of a plausibly exogenous shock to institutional attention arising from the annual buy‐side‐focused Equity Research and Valuation (ERV) conference for Chartered Financial Analysts on institutions' information processing at earnings announcements. Validation tests using conference call data indicate that fewer buy‐side analysts are present on earnings calls during ERV conferences and that questions are shorter, consistent with the presence of substitute or backup analysts. In our main analyses, we find that buy‐side analyst inattention reduces information asymmetry among investors and improves liquidity at these earnings announcements, consistent with theory, and observe similar results for non–earnings announcement events. In additional tests, we document slower price formation, but also more profitable retail trading, during these periods. Collectively, we provide novel evidence on the market consequences of institutional inattention during key information events.
Davidson et al. (Sun,) studied this question.