The Economics of Post-Divorce Parenthood: Child Support, Custody, Remarriage, Stepparent Investment, and the Redistribution of Family Benefits

This study examines how financial costs, household benefits, caregiving, parental access, authority, and long-term relational returns are redistributed after divorce and remarriage. It addresses whether a former husband finances a household primarily benefiting a new husband, who receives the greatest benefit from child support, and how reduced or obstructed parental contact changes the economic and relational balance. The analysis combines United States Census child-support data with research on divorce, remarriage, stepfamily formation, parental investment, geographic separation, parent-child contact, interparental conflict, and child development. The findings reject a winner-takes-all model. Children and their residential household receive the most direct material benefit. The custodial parent continues contributing income, care, coordination, and opportunity costs. A stepparent often receives household and relational benefits while also contributing income, housing, transportation, supervision, and care. A nonresident biological parent retains potential benefits through contact, attachment, identity, lineage, and later reciprocity. The clearest imbalance occurs when substantial financial contribution continues while contact, parental participation, authority, and relationship access decline. The study defines this condition as the Post-Divorce Parental Cost-Benefit Displacement Problem. Version 1.2 includes eleven consolidated calculation formulas and five worked examples. The measures include Net Position, Investment-Access Ratio, Household Spillover, Child-Directed Share, Payment Receipt Ratio, Unpaid Payment Gap, Realized Access, Access Obstruction Rate, Displacement Index, Obstruction-Adjusted Displacement, and Delayed Truth Injury Index. The study distinguishes protective restrictions based on substantiated risk from potentially obstructive exclusion. It examines repeated narrative conditioning, loyalty conflict, induced parental rejection, identity-based denigration, delayed discovery of family information, and possible later effects on attachment, trust, memory, identity, and mental health. Proposed obstruction and delayed-truth measures are analytical constructs requiring empirical validation. They are not clinical diagnoses or findings about any individual family. DOI: 10.5281/zenodo.22074950