Yet this type of analysis, which uses linear regression to adjust for skill differences, can not support strong conclusions about the salaries of a single occupation. (educationnext.org)
Unobserved skill differences between teachers and nonteachers, not a general salary bias against the teaching profession, make teacher salaries seem low. (educationnext.org)
In some cases, the stat differences alone can determine the outcome of a match due to its interesting metagame effects while in other matches it might become irrelevant if player skill difference is large enough. (iplaywinner.com)