The economic and psychological literatures have demonstrated that early investments (private and public) in children can significantly increase cognitive outcomes in the short and long term and contribute to success later in life. One of the most important of these inputs is maternal time....

Custody laws governing living arrangements for children following their parents' divorce have changed dramatically since the 1970s. Traditionally, one parent - usually the mother - was assigned sole custody of the child. Today, many divorced parents continue to share parental rights and...