We test whether firm idiosyncratic risk is priced in a large cross-section of U.K. stocks. A distinguishing feature of our paper is that our tests allow for a conditional relationship between systematic risk (beta) and returns in our tests, i.e., conditional on whether the excess market return...

We study the persistence over time of nine well-known equity market anomalies in the cross-section of U.K. stocks. We find strong evidence of diminished statistical significance for most of these anomalies including the return reversal and momentum effects. Two anomalies -- firm profitability...