“…This kind of model is widely used in geography, economics, and network science to study human mobility (Pumain, 1986), information circulation (Peris et al, 2021), and international trade (De Benedictis and Taglioni, 2011). Recently it has also been used to model real estate investment flows (Alstadsaeter et al, 2022;Levy, 2021;McAllister and Nanda, 2016;Zhang et al, 2020). However, these previous applications to real estate investments used large spatial aggregates such as countries, regions or large commuting zones.…”