“…In contrast, we investigate comprehensive aspects of firm risk in a coherent manner: total risk, idiosyncratic risk (Supporting Information), financial risk, M&A, and the sensitivity of CEO compensation upon firm risk. We also link fWHR to various aspects of M&A (Doukas & Petmezas, ; Kim, ; Malmendier & Tate, ; Roll, ), such as the frequency, the dollar amount spent on acquisitions, merger premium, and investor response to acquisition announcements. In addition, we use various alternative measures of fWHR, such as the dummy variable for being in the widest tercile of fWHR.…”