This paper is available in multiple formats or locations.

• http://www.ofce.sciences-po.fr/pdf/notes/2012/note18.pdf
  
• http://spire.sciences-po.fr/hdl:/2441/53r60a8s3kup1vc9k0sjj6oj9/resources/note18.pdf
  

This data comes from NEP: New Economics Papers.