The study deals with the evaluation of employment effect of vocational training programs for unemployed in urban Russia. Evaluation of the potential differences in the employment effect of blue-collar and white-collar training programs indicate that participants of the blue-collar programs were better off relative to the participants of white-collar programs and non-participants of training programs.
Link
http://www.iza.org/conference_files/SUMS2005/nivorozhkin_a2096.pdf