Abstract
THIS STUDY EVALUATES THE EFFECTS OF LEGISLATIVE AND ADMINISTRATIVE REFORMS UPON SHAREHOLDER RETURNS IN THE US MOTOR CARRIER INDUSTRY DURING THE PERIOD OF ECONOMIC REFORM. USING AN EVENT STUDY METHODOLOGY, IT IS DISCOVERED THAT THE ABSOLUTE LEVEL OF RETURNS HAS FALLEN AFTER ECONOMIC REFORM BUT THAT ADMINISTRATIVE AND LEGISLATIVE ACTIONS WERE NOT SIGNIFICANTLY DIFFERENT IN TERMS OF THEIR INDIVIDUAL EFFECTS UPON SHAREHOLDER RETURNS.(Author/publisher).