"O'Neill finds that single women without children, on average, make 8 percent more than their similarly situated male colleagues" http://www.ncpa.org/sub/dpd/?Article_ID=22058#sthash.6sSZrCm...
"...O'Neill finds that when these factors are accounted for, the gender wage gap falls to approximately 97 cents on the dollar..." http://www.ncpa.org/sub/dpd/?Article_ID=22058
"O'Neill finds that single women without children, on average, make 8 percent more than their similarly situated male colleagues" http://www.ncpa.org/sub/dpd/?Article_ID=22058#sthash.6sSZrCm...
"...O'Neill finds that when these factors are accounted for, the gender wage gap falls to approximately 97 cents on the dollar..." http://www.ncpa.org/sub/dpd/?Article_ID=22058