Parameter estimates for equity studies tested for stability are described. Bootstrap simulation can test whether parameter estimates remain stable given changes in the sample data; fractional polynomials can be used to access functional form specification; and variance inflation factors can be used to test for multicollinearity.
Lesik, Sally A. and Fallahi, Carolyn R.
"Salary Equity Studies: An Analysis of Using the Blinder-Oaxaca Decomposition to Estimate Differences in Faculty Salaries by Gender,"
Journal of Modern Applied Statistical Methods: Vol. 10
, Article 24.
Available at: http://digitalcommons.wayne.edu/jmasm/vol10/iss2/24