@book { ZurTheoriederlngerfristigenWirkungenexpansiverFiskalpolitik,
    title = "Zur Theorie der längerfristigen Wirkungen «expansiver» Fiskalpolitik",
    author = "Peter {Bartsch}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13822",
    url = "https://www.peterlang.com/document/1068395"
}