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

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Text this: Time-varying spillover effect among oil price and macroeconomic variables