Marianna has strong expertise in European contemporary financial history. She is currently analysing the link between cross-border banking correspondents and migrant remittances, focusing on European migration to North and South America during the first globalization. From 2021 to 2023, she held a Marie Skłodowska-Curie Fellowship at the Paris School of Economics, working as principal investigator of the project Europe and Its Central Banks: Lessons from History (EUROCBH). The project examined the role of central banks in the formation of national credit markets and industrial policies.