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作者：Wei Huang, Qianqiu Liu, S. Ghon Rhee, and Liang Zhang
刊物：Rev. Financ. Stud., Advance Access published on March 25, 2009; doi: doi:10.1093/rfs/hhp015


文章名：The Idiosyncratic Volatility Puzzle: Time Trend or Speculative Episodes
作者：MW Brandt, A Brav, JR Graham, A Kumar
刊物：Review of Financial Studies