This collection contains reports by the Assistant Secretary for Planning and Evaluation (ASPE). The ASPE advises the Secretary of the Department of Health and Human Services on policy development in health, disability, human services, data, and science; and provides advice and analysis on economic policy. The ASPE leads special initiatives; coordinates the Department's evaluation, research, and demonstration activities; and manages cross-Department planning activities such as strategic planning, legislative planning, and review of regulations. Integral to this role, the ASPE conducts research and evaluation studies; develops policy analyses; and estimates the cost and benefits of policy alternatives under consideration by the Department or Congress.