the influence of R&D volatility and R&D intensity on the market capitalization of pharmaceutical and medical research … sample of 217 companies for 2014-2019 indicate that R&D volatility adversely affects market value. The analysis is conducted … on the entire sample and on sub-samples determined based on the positive and negative values of the R&D volatility. This …

In this paper, we examine the relationship between idiosyncratic volatility and future returns around the firm … volatility is more strongly negative compared to news idiosyncratic volatility. Such findings imply that limited arbitrage cannot … fully explain the negative pricing of idiosyncratic volatility in the Chinese stock market. These results are robust after …