Text this: Risk management and portfolio optimization for agricultural commodity futures returns: Multivariate heterogeneous autoregressive realized volatility (MHAR-RV) approach

  _____      ___      _____    _    _     ______  
 / ____||   / _ \\   |__  //  | || | ||  /_   _// 
/ //---`'  | / \ ||    / //   | || | ||    | ||   
\ \\___    | \_/ ||   / //__  | \\_/ ||   _| ||   
 \_____||   \___//   /_____||  \____//   /__//    
  `----`    `---`    `-----`    `---`    `--`