“…According to government estimates, the costs associated with such regulations are substantial-on the order of $200 billion (in 1996 dollars) annually (OMB 2001). The benefits, which are harder to pin down, may be even larger, although the net benefits (or costs) of individual regulations can vary significantly (OMB, 2001;Hahn, 2000;Freeman, 2002;Morrall, 2003). Thus, making even relatively modest changes in the regulatory apparatus could have significant implications for the public's health and welfare.…”