發送短信 : Spatial misallocation and economic development

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