“…Greif, 2006;Duranton, Rodríguez-Pose, & Sandall, 2009;De Moor & Van Zanden, 2010;Foreman-Peck, 2011;Dennison & Ogilvie, 2014Bertocchi & Bozzano, 2015;Carmichael et al, 2016a;Rijpma & Carmichael, 2016;Carmichael & Rijpma, 2017;Dilli, 2017;Le Bris, 2016;Szołtysek, Poniat, Klüsener, & Gruber, 2017a;Santos Silva, Alexander, Klasen, & Welzel, 2017; earlier also Reher, 1998;Therborn, 2004). Given the sheer complexity of the problem at stake, it is not surprising that this new emerging literature has already provoked a considerable amount of controversy, involving debates on the precise underlying mechanisms, the role of non-familial institutions and the possibility of reversed causality (Dennison & Ogilvie, 2014Carmichael, De Pleijt, Van Zanden, & De Moor, 2016b). However, a major challenge faced by all previous studies was that they had to work around a lack of reliable historical data.…”