Difference-in-difference estimation by FE and OLS when there is panel non-response / Michael Lechner (SEW, University of St. Gallen, CEPR, PSI, CESifo, IAB and IZA), Nuria Rodriguez-Planas (City University of New York (CUNY), Queens College, IZA and IAE-CSIC), Daniel Fernández Kranz (IE Business School)
