Alzheimers disease and other forms of dementia are widely believed to impose great economic costs on society, but the magnitude of those costs is unclear. This Funding Opportunity Announcement (FOA) encourages research on the economic costs of Alzheimers disease and related dementias, including direct and indirect costs to public and private health care payers, families and other informal caregivers, as well as labor market costs from reduced productivity or labor force participation.