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Personal profile

Research interests

Philipp Ager is an Associate Professor at the Department of Business and Economics of SDU, where he works alongside HEDG – the Historical Economics and Development Group based at the department.

Philipp currently has three areas of focus in his research. Firstly, he is undertaking research and scholarship around the economic impacts of historical immigration – with a particular research focus on the 1920s immigration quotas introduced in the United States. Under the auspices of this research, Philipp was previously a recipient of a 1.5m DKK research grant from the Danish Council for Independent Research on the project “Diversity and Development: Evidence from Immigration Quotas.”

Philipp is also carrying out work on the development of the United States in the 19th and early 20th centuries. In this, he is looking closely at the impact of the boll weevil – a beetle which devastated southern cotton fields - on agricultural labor arrangements and structural change and the fertility transition. As part of his work in this field, he has also recently been carrying out work looking at the economic progress of slaveholder families following the American Civil War.

Philipp is also undertaking research on topics related to the development of historical institutions of childcare. As part of this, Philipp is PI for a 4.5m DKK research grant the from Danish Council for Independent Research for the project “Institutions of Care: The Role of Early Childhood Investments for Historical Development.” Within this workstream, Philipp has recently published a working paper tracing how kindergartens changed the American family – with this research also disseminated in both podcast and video forms.

Philipp’s work has been published in leading journals including the Review of Economics and Statistics, The Journal of the European Economic Association, or Explorations in Economic History, and his research was featured in Bloomberg, the Economist, the Washington Post, or the Wall Street Journal. Philipp is also a referee for a number of journals within the field, and also holds the position of Research Affiliate with the Centre for Economic Policy Research (CEPR).  

Research areas

Economic History, Demography, and Labor Economics

Within economic history, Philipp has particular focuses on historical immigration, the development of the Southern economy in the US, and the development of institutions of childcare.


CV can be downloaded here (research) and here (teaching)

Philipp's website contains the most up-to-date information on his academic activities


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