@book { AContributiontotheEmpiricsofEconomicandHumanDevelopment,
    title = "A Contribution to the Empirics of Economic and Human Development",
    author = "Sebastian {Vollmer}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13871",
    url = "https://www.peterlang.com/document/1068426"
}