@online{ timsrc, author = "Kohler, Wilhelm", title = "Lecture Macroeconomics II, 15. and 16. Lesson", publisher = "Universität Tübingen", year = "2019", month = "Dec", day = "11", url = "https://timms.uni-tuebingen.de:443/tp/UT_20191211_001_makrooeko2_0001", urldate = "2024-11-23" }