The identical rates gave buyers no choice, the lawsuits contend.
But in the end, the two groups of women had identical rates of heart attacks, strokes and other cardiovascular problems.
According to the N.C.A.A. statistics, women who play soccer suffer concussions at nearly identical rates as male football players.
At the same time, both houses charged identical rates, up to 20percentto totherer sellers who had little chance of negotiation.
While judges in those two places show leniency at essentially identical rates -- in about 12percentt of cases that do not involve defendants who agree to aid prosecutors -- there is enormous disparity among other parts of the country.
Colin Stretch, general counsel at Facebook, said the company met with Thune on 18 May to discuss an internal two-week investigation, which had found "virtually identical" rates of approval of conservative and liberal topics.
But 11 years after the study began, researchers concluded it was futile to continue — the two groups had nearly identical rates of heart attacks, strokes and cardiovascular deaths.
Others warned that this would enshrine a stereotype, labeling women as more expensive, less desirable employees while in fact men and women take medical leave at almost identical rates.
It has been argued that two countries undertaking similar amounts of investment leading to more or less identical rates of growth in the capital stock will not necessarily show the same rate of technical progress.
But the study, being published in The Journal of the American Medical Association, found that cancer was detected in slightly fewer than six cases per 1,000 mammograms in the United States and slightly more than six per 1,000 in Britain, nearly identical rates.
Loans to companies were made at identical rates, regardless of credit risk.
