@book { AContributiontotheEmpiricsofEconomicandHumanDevelopment, title = "A Contribution to the Empirics of Economic and Human Development", author = "Sebastian {Vollmer}", year = "2010", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/b13871", url = "https://www.peterlang.com/document/1068426" }