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The report said there is " an urgent need for concerted but balanced action " at the national , state and local levels to enhance the competitiveness of the U.S. financial markets and " defend New York 's role as a global financial center . A University of Florida researcher and his colleagues find that stepchildren receive far less help with their college expenses if they are from a household with a stepmother and somewhat less assistance in households with a stepfather . The North , too , has changed from a predominantly agricultural society ( in 1946 ) to an industrial one ; with abundant mineral resources and hydropower , 60 % of its national product is now derived from mining and manufacturing . This year 's Igs were presented by five actual Nobel winners amid showers of paper airplanes tossed by the 1,200 audience members - - another Ig Nobel tradition.A favorite : Princeton University psychologist Daniel M. Oppenheimer . " He 's going to find out the same thing from the neighbors on this site that we found up here .