After unification large amounts of money were spent to retrain the East Germany labour force in order to ease the transition to the new market economy. This book uses microeconometric methods and individual data to evaluate the impact of these training programmes on the participants' labour market situation. It discusses the appropriate evaluation methodology as well as the effectiveness of the actual programmes for the individual participants. The empirical results suggest that the public sector sponsored training programmes were fairly ineffective. In contrast, the training organized and paid by the enterprises caused considerable earnings growings.