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

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Text this: Random Walk in Emerging Markets by Nonparametric Variance Ratio Test: Evidence from Middle East and North Africa Stock Market