@online{ timsrc, author = "Kohler, Wilhelm", title = "Lecture Advanced Microeconomics, 39. Lesson", publisher = "Universität Tübingen", year = "2022", month = "Jan", day = "27", url = "https://timms.uni-tuebingen.de:443/tp/UT_20220127_001_ws2022advmicroeco_0001", urldate = "2024-11-27" }