أرسل هذا في رسالة قصيرة: A Ricardian rationale for the WTO rules on R&D subsidies

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