1. Department of Finance, Farmer School of Business, Miami University, Oxford, Ohio 45056
2. Department of Economics, Finance and Legal Studies, University of Alabama, Tuscaloosa, Alabama 35487; and Department of Finance, Raymond J. Harbert College of Business, Auburn University, Auburn, Alabama 36849
3. Department of Finance, Haslam College of Business, University of Tennessee, Knoxville, Tennessee 37996