"Price-cost margins and fixed costs" (joint with F. Abraham, Y. Bormans, J. Konings)
The Berlin Macro Seminar is jointly organized by Michael Burda (HU Berlin), Britta Gehrke (FU Berlin), Frank Heinemann (FU Berlin), Chi Hyun Kim (HU Berlin), Alexander Kriwoluzky (DIW Berlin), Ben Schumann (HU Berlin) and Nikolaus Wolf (HU Berlin).