“…The discussion is dominated by quantitative economic historians, while in-depth studies of historical housing crisis before 1970 remain a research gap (Yates, 2021). Although the history of urbanization (Jackson, 1985;Almandoz, 2002;Haiyan and Stapleton, 2006;Pinol and Walter, 2012;Lenger, 2013), urban planning (Hein, 2017;Glendinning, 2021), housing policy (Pooley, 1992;Schulz, 1993), transnational reform movements (Bullock and Read, 1985;Rodgers, 1998;Wagner, 2016) and the promotion of homeownership (Kwak, 2015;Kohl, 2017), and social housing (Harloe, 2008) are addressed in a large body of research, real estate markets as a research topic itself is largely neglected by historians (Weiss, 1989;Kramper, 2022), even though housing bubbles are hardly a new phenomenon.…”