?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F11680%2F&rft.title=Validation+of+the+Wittgenstein+Centre+Back-projections+for+Populations+by+Age%2C+Sex%2C+and+Six+Levels+of+Education+from+2010+to+1970&rft.creator=Speringer%2C+M.&rft.creator=Goujon%2C+A.&rft.creator=K.C.%2C+S.&rft.creator=Eder%2C+J.&rft.creator=Potan%C4%8Dokov%C3%A1%2C+M.&rft.creator=Bauer%2C+R.&rft.description=There+have+been+few+attempts+at+creating+data+series+on+levels+of+educational+attainment+of+the+adult+population+consistent+across+time+and+space+by+age+and+sex.+They+would+be+needed+to+estimate+the+role+played+by+education+and+human+capital+in+economic%2C+technological%2C+environmental+models+as+correctly+as+possible.+In+2007%2C+Lutz+et+al+developed+a+methodology+to+reconstruct+(and+project)+levels+of+educational+attainment+based+on+the+information+contained+in+the+base-year+source+of+choice+for+the+most+recent+period+(Lutz+et+al.+2007a).+The+methodology+was+applied+again+in+the+framework+of+a+new+round+of+population+projections+published+in+2014+online+(www.wittgensteincentre.org%2Fdataexplorer)+and+in+the+Oxford+University+book+%22World+Population+and+Human+Capital+in+the+Twenty-First+Century%22+edited+by+Lutz%2C+Butz+and+KC.+There%2C+the+coverage+increased+to+171+countries+and+the+number+of+education+categories+to+six.+The+back-projection+methodology+was+applied+to+the+updated+base-year+sample+in+2010+to+arrive+at+the+reconstruction+of+levels+of+educational+attainment+by+age+and+sex+for+the+period+1970-2005.+The+purpose+of+this+paper+is+to+compare+the+reconstructed+datasets+to+other+existing+sources+of+historical+data+on+education%2C+including+the+former+reconstruction+from+2007%2C+collection+and+other+reconstruction+exercises.+%0D%0A%0D%0A%0D%0A%0D%0AThe+validation+of+the+Wittgenstein+Centre+back-projection+model+outcomes+with+available+empirical+data+source+enables+the+evaluation+of+our+back-projection+method+for+the+establishment+of+harmonized+and+consistent+time+series+on+the+educational+composition+of+171+countries+in+the+world.+In+comparison%2C+the+most+other+available+datasets+suffer+from+severe+flaws%2C+hampering+any+valid+trend+and+regression+analysis+on+levels+of+educational+attainment.+%0D%0A%0D%0A%0D%0A%0D%0AThe+back-projection+methodology+is+explained+in+Section+2+and+Section+3+describes+the+collection+of+empirical+data+for+the+validation+of+the+WIC+2015+dataset+and+associated+challenges.+The+validation+methodology+and+results+are+developed+in+Section+4.+Detailed+documentation+about+the+country-specific+validation+is+available+from+the+Appendices.&rft.publisher=IR-15-008&rft.date=2015-04&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F11680%2F1%2FIR-15-008.pdf&rft.identifier=++Speringer%2C+M.+%3Chttps%3A%2F%2Fpure.iiasa.ac.at%2Fview%2Fiiasa%2F290.html%3E%2C+Goujon%2C+A.+%3Chttps%3A%2F%2Fpure.iiasa.ac.at%2Fview%2Fiiasa%2F110.html%3E+ORCID%3A+https%3A%2F%2Forcid.org%2F0000-0003-4125-6857+%3Chttps%3A%2F%2Forcid.org%2F0000-0003-4125-6857%3E%2C+K.C.%2C+S.+%3Chttps%3A%2F%2Fpure.iiasa.ac.at%2Fview%2Fiiasa%2F140.html%3E%2C+Eder%2C+J.%2C+Potan%C4%8Dokov%C3%A1%2C+M.+%3Chttps%3A%2F%2Fpure.iiasa.ac.at%2Fview%2Fiiasa%2F236.html%3E+ORCID%3A+https%3A%2F%2Forcid.org%2F0000-0001-6115-5952+%3Chttps%3A%2F%2Forcid.org%2F0000-0001-6115-5952%3E%2C+%26+Bauer%2C+R.++(2015).++Validation+of+the+Wittgenstein+Centre+Back-projections+for+Populations+by+Age%2C+Sex%2C+and+Six+Levels+of+Education+from+2010+to+1970.+++IIASA+Interim+Report.+IIASA%2C+Laxenburg%2C+Austria%3A+IR-15-008+++++