There is a long rich history about the Delaware Cost Study. Below are links to presentations and papers done by the staff of the University of Delaware and the National Study of Instructional Cost & Productivity. Click on the links below for valuable information, presentations and examples on use of the study.
HEC 2017 Report
Cost Benchmarking Challenges in Higher Education
The Delaware Cost Study
NCES – A Study of Higher Education Instructional Expenditures
Delaware Cost Study: Best Uses & Practices
Advanced Modeling Techniques for Benchmarked Data