Skimming over the paper that the article references, it doesn't look like the authors have a real way of disaggregating two possible causal pathways from housin

Skimming over the paper that the article references, it doesn't look like the authors have a real way of disaggregating two possible causal pathways from housing costs to delaying/avoiding children: 1. housing costs --> economizing on housing --> not having room for children 2. housing (and other) costs --> higher earning --> longer working hours for both (prospective) parents --> not having time for children. It would be interesting to know whether people are not producing kids because they can't afford more space or because they can't afford to sacrifice income for childrearing.