@book { ExpectationsinFinancialMarketsASurveyDataApproach,
    title = "Expectations in Financial Markets – A Survey Data Approach",
    author = "Jan-Christoph {Rülke}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106727"
}