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  • “Productivity Growth, Wage Growth, and Unions", 2018, with Alice Kügler and Ragnhild Schreiner. In: In: "Price and Wage-Setting in Advanced Economies", European Central Bank Conference Proceedings, 2018..

                       Link to VoxEU article

                       Selected Media coverage: New York Times

                       Presentation, ECB Forum, Sintra, June 2018

  • "Who Benefits from Universal Child Care? Estimating Marginal Returns to Early Child Care Attendance", 2017, with Thomas Cornelissen, Christian Dustmann and Anna Raute. Journal of Political Economy, 126, 2356-2409.

              Presented at invited sessions at the EALE/SOLE in Montreal and the EEA in Mannheim.

                       Link to VoxEU article

                       Link to Makronom article

                       Link to Okonomenstimme article

                       Selected Media Coverage:  Spiegel, FAZ, iNewsLiberation




                       Link to VoxEU article

                       Selected Media Coverage: FAZ (4.3.2014; edotrial), Suddeutsche Zeitung (4.3.2014), Stuttgarter Zeitung

                                                                  (6.3.2014), Hannoversche Allgemeine Zeitung (4.3.2014), Wirtschaftwoche

                                                                  Research was cited by German Democratic Party in leaflet.                                                              

                       Link to VoxEU article


                       Online Appendix

                       Online Appendix

                       Companion Appendix


                            Link  to VoxEU article

                          Link to Harvard Business Review arrticle, written by my co-author Alexandra Spitz-Oener

                          Reprinted in: Explaining Germany's exceptional recovery: A new eBook, Vox eBook.

                         Selected Media Coverage: Spiegel online (2.4.2014), Die Welt (3.2.2014),  FT blogs (4.2.2014), BBC News                                                                           (13.2.2014), Alternatives Economiques (6.3.2014), Der Bund (26.5.2014), Die Welt

                                                                     (29.6.2014), Panorama (8.2.2018)

                         Selected Media Coverage: Zeit online 

                         Online Appendix

                         Selected Media Coverage: Handelsblatt (29.10.2007), Spiegel online (19.7.2008), N24 (19.7.2008, reprinted in

                                                                     e.g. Suddeutsche Zeitung, Financial Times, Welt online)

                         Online Appendix (includes findings for Mathematics test scores).

                         Media Coverage: Daily Mail

                        Online Appendix (compares inequality trends in the German Socio-Economic Panel and the IAB Employment



                           Selected Media Coverage: Financial Times Deutschland (28.6.2007), wiisen.de (28.6.2007), Handelsblatt

                                                                            (29.7.2007), Stuttgarter Zeitung (29.1.2007), Focus online (29.6.2007), Frankfurter

                                                                            Rundschau (25.9.2007)