Additionally, it's not just the first-order expenditures that are of interest: it's also the second-order loss from genpop of otherwise economically productive

Additionally, it's not just the first-order expenditures that are of interest: it's also the second-order loss from genpop of otherwise economically productive people further depressing the gains we could make as a public (measured in GDP or whatever else) as well as the third-order issues around stable housing/families and the effects those arrangements have on future (our childrens') productivity.