Hog prices fluctuate dramatically has always been a major risk issue for any country live hog industry. This study aimed to reveal the spatial characteristics and the effects hog price volatility taking China as an example. This article introduced the monthly volatility of hog prices: P=∣(Pt...

The existing literature finds conflicting results on the cross-sectional relation between expected returns and idiosyncratic volatility. We contend that at the firm level, the sample correlation between unexpected returns and expected idiosyncratic volatility can cloud the true relation between...