In 1940, Friedman aqbalay booska Jaamacadda Wisconsin<unk>Madison, laakiin ka tagay sababtoo ah kala duwanaanshaha la macalimiinta ku saabsan ku lugta Maraykanka ee Dagaalkii Labaad ee Adduunka. Friedman rumeysan yahay Maraykanka waa in ay galaan dagaalka. In 1943, Friedman biiray Qaybta of War Research at Columbia University (oo uu hogaaminayo W. Allen Wallis iyo Harold Hotelling), halkaas oo uu ku qaatay inta ka dhiman Dagaalkii Labaad ee Adduunka ka shaqeeya sida statistic ah xisaabta, oo diiradda saaraya dhibaatooyinka qorista hubka, xeeladaha ciidamada, iyo tijaabooyinka metallurgical. In 1945, Friedman soo gudbiyay Dakhliga ka Professional Practice Independent (co-authored la Kuznets iyo dhameystirtay inta lagu guda jiro 1940) si Columbia sida uu dissertation doctoral. Jaamacadda abaalmarinta PhD ee 1946. Friedman qaatay 1945<unk>1946 sanad waxbarasho ee jaamacadda Minnesota (halkaas oo uu saaxiibkiis George Stigler ahaa loo shaqeeya). On February 12, 1945, Friedman wuxuu dhalay wiilkiisa
Sanadkii 1945