3 IZA Discussion Papers
IZA Discussion Paper No. 10035
revised version forthcoming in: Economic Inquiry (here: https://www.dropbox.com/s/5f2ndgqvs25hh7j/Submission_v13.pdf?dl=0)
IZA Discussion Paper No. 7323
publsihed as 'Offshoring and Productivity from a Time-Series Perspective' in: Advances on International Economics, Cambridge Scholars Publishing, September 2015, 139-158
IZA Discussion Paper No. 664
published as 'Skill Upgrading and Rigid Relative Wages' in: B.E. Journal of Macroeconomics: Contributions to Macroeconomics, 2005, 5(1), Art. 7