Approximately half of all guidelines for child support in the United States are based on the income shares child support model. The income shares model for child support was developed by economist Dr. Robert G. Williams and was based on the work of Thomas Espenshade.
In the United States, roughly half of all child support guidelines rely on the income shares model. This model was created by economist Dr. Robert G. Williams, who drew inspiration from the work of Thomas Espenshade.