@online{ timsrc, author = "Kohler, Wilhelm", title = "Lecture Macroeconomics II, 11. and 12. Lesson", publisher = "Universität Tübingen", year = "2019", month = "Nov", day = "20", url = "https://timms.uni-tuebingen.de:443/tp/UT_20191120_001_makrooeko2_0001", urldate = "2024-11-23" }