Benefits and Costs of Federal Regulations and Unfunded Mandates on State, Local and Tribal Entities:
http://www.whitehouse.gov/omb/inforeg/2007_cb/2007_cb_final_report.pdf
Tenth annual report on the topic which estimates annual benefits of major federal regulations reviewed between 1996 and 2006 range between $99 billion and $484 billion, while the estimated annual costs range between $40 and $46 billion. From the Office of Management and Budget.
