Bartram, Söhnke M.; Brown, Gregory W.; Stulz, René M. - 2017
From 1963 through 2015, idiosyncratic risk (IR) is high when market risk (MR) is high. We show that the positive …-to-book groupings. Though stock liquidity affects the strength of the relation, it is strong for the most liquid stocks. The relation … has roots in fundamentals. Higher market risk predicts greater idiosyncratic earnings volatility as well as dispersion and …