Using a novel database that tracks web traffic on the SEC's EDGAR server between 2004 and 2015, we show that institutional investors gather information on a very particular subset of firms and insiders, and their surveillance is very persistent over time. This tracking behavior has powerful...

Using a novel database that tracks web traffic on the SEC's EDGAR server between 2004 and 2015, we show that institutional investors gather information on a very particular subset of firms and insiders, and their surveillance is very persistent over time. This tracking behavior has powerful...

We demonstrate that a firm's ability to innovate is predictable, persistent, and relatively simple to compute, and yet the stock market ignores the implications of past successes when valuing future innovation. We show that two firms that invest the exact same in research and development (R&D)...

Using a novel database that tracks web traffic on the SEC's EDGAR servers between 2004 and 2015, we show that mutual fund managers gather information on a very particular subset of firms and insiders, and their surveillance is very persistent over time. This tracking behavior has powerful...

We discuss how an investment portfolio could dramatically reduce its carbon footprint, potentially even achieving ‘net zero.’ Our central message is that very large carbon reductions are feasible but not as straightforward as some commentators suggest. The usual approach of security...

We hypothesize and find that the value of active management depends on characteristics of markets and investors. Using unique data, we focus on the performance of actual passive and active equity positions of an important category of institutional investors (defined benefit pension plans) from...