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

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