IAB Labour Market Research Topics 37 (1999) Lutz Bellmann and Martin Brussig 1 Productivity Differences Between Western and Eastern German Establishments 0 Abstract 1 Introduction 2 The extent of the productivity gap 3 Three hypotheses on the causes of the productivity gap between eastern and western German establishments 4 Summary and outlook 5 References 1 Lutz Bellmann is a researcher at the Institute for Employment Research, and Martin Brussig is a researcher at the Centre for Social Research (Zentrum für Sozialforschung) in Halle.