?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Pelkonen&rft.au=Pelkonen%2C+P.O.&rft.aufirst=P.O.&rft.title=Empirical+essays+on+the+economics+of+education+and+skills&rft.date=November+2009&rft.degree=Doctoral&rft.tpages=202&rft.inst=UCL+(University+College+London)