“…Local opportunity structures have been put forward as an explanation for regional fertility patterns (Basten, Huinink, & Klüsener, 2011; Campisi, Kulu, Mikolai, Klüsener, & Myrskylä, 2020; Hank, 2001, 2002; Kulu, 2010; Kulu & Washbrook, 2014). Opportunity structures include both the indirect costs of childrearing through opportunity costs, which depend on the amount of competing activities to childrearing (e.g., a professional career and leisure activities) and the availability of childcare services, as well as the direct costs of children such as the cost of commodities and services (Hank & Kreyenfeld, 2003; Kulu & Washbrook, 2014).…”