Researchers evaluated a ratio imputation technique used at the US Survey of Graduate Students and Postdoctorates in Science and Engineering, which is an annually conducted cross-sectional establishment survey. Standardized bias was used, mean square error and relative bias to appraise this imputation method on point and variance estimates via simulations.
"Longitudinal Evaluation of Estimates in an Esablishment Survey After Ration Imputation,"
Journal of Modern Applied Statistical Methods:
2, Article 27.
Available at: http://digitalcommons.wayne.edu/jmasm/vol6/iss2/27