發送短信 : Volatility spillovers between crude oil futures returns and oil company stock returns

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